The type of muscle tissue that can respond to voluntary nervous stimulation is skeletal muscle. This type of muscle is the most common of the three types of muscle (skeletal, cardiac, and smooth muscle) in the body.
Skeletal muscles are a voluntary type of muscle attached to bones of the skeleton by tendons.
These muscles (skeletal muscles) are voluntary because they are activated in response to information received from the somatic nervous system.
Skeletal muscles comprise approximately 30-40% of the total body mass.
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why do you think it is important to understand chemistry and chemical cycles? Write at least 5 sentences.
Explanation:
Image result for why do you think it is important to understand chemistry and chemical cycles
Chemical cycling plays a large role in sustaining planetary atmospheres, liquids and biological processes and can greatly influence weather and climate. Some chemical cycles release renewable energy, others may give rise to complex chemical reactions, organic compounds and prebiotic chemistry.
Chemical reactions help us understand the properties of matter. By studying the way a sample interacts with other matter, we can learn its chemical properties. These properties can be used to identify an unknown specimen or to predict how different types of matter might react with each other
Answer:
Chemistry is essential for:
1. meeting
2. our basic needs of food,
3. clothing,
4. shelter,
5. health,
6. energy,
7. clean air,
8. water,
9. soil.
Knowing something about chemistry is worthwhile because it provides an excellent basis for understanding the physical universe we live in. For better or for worse, everything is chemical!
Explanation:
Hope it helps you
how does plant mitosis accommodate a rigid inflexible cell wall
Answer:
mitosis animal y vegetal son dos tipos de divisiones nucleares reproductivas en animales y plantas, respectivamente. Durante la mitosis, la cantidad de material genético permanece igual. Por lo tanto, aumenta el número de células en el cuerpo durante el crecimiento, la reparación y la regeneración. La mitosis ocurre en cuatro pasos principales; Profase, metafase, anafase y telofase. los diferencia principal Entre la mitosis animal y la mitosis vegetal es que el huso mitótico en la mitosis animal se forma con la ayuda de dos centriolos, mientras que el huso mitótico en la mitosis vegetal se forma sin ningún centríolo. La mitosis es seguida por citocinesis
Explanation:mira
which sentences below correctly defines respiration
A: release engery from food
B: inhaling and exhaling
C:removal of metabolic waste
D:producing an offspring to continue their species
Answer:
Its B
Explanation:
Respiration: The act of inhaling and exhaling air in order to exchange oxygen for carbon dioxide.
list three ways that organisms use energy
Answer + Explanation:
Organisms use energy to survive, grow, respond to stimuli, reproduce, and for every type of biological process. The potential energy stored in molecules can be converted to chemical energy, which can ultimately be converted to kinetic energy, enabling an organism to move.
Which statement is true about water molecules?
A) The hydrogen atoms do not share electrons.
B) Water molecules cannot dissolve many substances.
C) The oxygen atom has a negative charge.
D) Water molecules move randomly around each other.
Answer: D
Explanation:
The word matrix can be used to describe things shaped In a pattern of lines and spaces. How does this relate to a mitochondrion?
The definition of the word matrix can be applied to the organelle known as mitochondria given that the mitochondria have what is known as a "mitochondrial matrix".
The mitochondria are amongst the most important organelle of a cell. They are responsible for the production of energy molecules in the form of ATP. The basic structure of mitochondria consist of:
Outer membraneIntermembrane spaceInner membrane MatrixGranulesand contain even more elements within.
The inner membrane of the mitochondria surrounds the matrix, giving it the form of a pattern of lines that bend and curve, leaving spaces in between. The similarity between this shape and the definition that is given of the word "matrix", explains why this structure may have been given the name of the mitochondrial matrix.
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Directions: determine if the statement is true or false. If false, correct the statement to be true.
1. true
2. true
3. false
4. false
5. true
Explanation:
maaf kalau salah
Please help me! " Section 1 Biodiversity (continued)
Main Idea
Details
Summarize why species should be preserved as a possible source
of useful genes.
The Importance
of Biodiversity
I found this information
on page
Medicine
Agriculture
Organisms that
might have value
include
These organisms
someday might be
useful as
Identify resources and services that a healthy biosphere provides to
people.
Services
Resources
1.
1.
2.
2.
3.
3.
4.
4.
Organize how humans are dependent on plants and animals by
describing two ways that you use products of each.
Products of Animals
Products of Plants
Copyright © Glencoe/McGraw-Hill, a division of The McGraw Hill Companies, Inc.
SUMMARIZE
Explain how the health of the biosphere impacts the health of people.
Answer:Plants and animals maintain the health of an ecosystem. When a species becomes endangered, it's a sign that an ecosystem is out of balance. ... The conservation of endangered species, and restoring balance to the world's ecosystems, is vital for humans, too.
Explanation:
what will happen to a population of organisms that are in an oxygen rich environment. (Double click the story board to draw on it)
Answer
I'll assume this means adding additional oxygen to the atmosphere.
Paper airplanes now fly farther. With all that extra air, the air pressure near the surface increases significantly. Gliders, parachutists, birds and paper-plane hobbyists enjoy greatly improved performance.
Everyone gets better gas mileage. Oxygen-enriched air improves engine performance by producing hotter reactions and reducing the proportion of nitrogen, which reduces heat transfer (Page on Energy.gov)
Higher elevation Biomes become inhabited by more vertebrates. Areas such as the high Himalayas or high Andes are no longer off-limits to animals without special adaptations to increase their levels of hemoglobin.
Insects of unusual size. Many insects rely on gaseous diffusion to for respiration, therefore the maximum body size depends on the proportion of oxygen gas in the atmosphere. Most bugs get bigger, some smaller (see Atmospheric oxygen level and the evolution of insect body size)
Everyone feels more alert, active, and happier. All that fresh oxygen improve our cognition, alertness, and physical performance. As a result, most athletic records would likely be broken by oxygen-enriched athletes.
We get sick less often. Neutrophils, soldiers of the immune system, destroy bacteria by using NADP oxidase to pump ions into, and disrupt, intruding cell's membranes causing rupture. More oxygen, more oxidase. (Page on Nih.gov)
We die younger. Free radicals (i.e. O2-) are thought to exacerbate the aging process through Oxidative stress, which interferes in numerous cellular processes: protein production, DNA replication, intercellular communication, and are also thought to contribute to MS, Alzheimers, Parkinsons, and a host of other ailments.
Explanation:
what must come together in order for atp to be made
Please, could someone help me with this?
1. abortion
2. testing cosmetic products on animals
hope this helps :)
Which statement about cystic fibrosis is true?
A.) Cystic fibrosis is caused by a deletion of one codon in the DNA molecule.
B.) Cystic fibrosis affects a person's ability to make normal red blood cells.
C.) Carriers have an advantage over people who do not have the cystic fibrosis mutation.
D.) Cystic fibrosis is caused by a mutation in which a dominant allele replaces a recessive allele.
Answer:D
Explanation:
It only make sense.
why does max scherzer have two different colored eyes?
Answer:
he has heterochromia iridis
Explanation:
Scherzer has an uncommon condition called heterochromia iridis that affects less than 200,000 people in the United States. The condition, which in most cases doesn't damage the eyes, is caused by the distribution and levels of melanin in the irises
Name any five natural and five human-made changes around us.
Answer:
Natural:
change of seasons.
formation of clouds.
weathering of rocks.
ripening of fruits.
beating of the heart.
By us:
burning of oil.
weaving of cloth.
cooking of food.
construction works
fu****
the glenoid fossa is rimmed by the fibrocartilaginous
Answer:
glenoid labrum.
Explanation:
The glenoid fossa is rimmed by the fibrocartilaginous
hans and zacharias janssen contribution to cell theory
Answer:
1590’s
What year did Hans and Zacharias Janssen contribute to the cell theory? Hans and Zacharias Janssen are known for inventing the compound optical microscope. They made it in the 1590’s. This contributed to “The Cell Theory” by making it easier and more practical whilst observing cells.
Explanation:
Cell theory states that all biological organisms are made up of cells, which is the structural and functional unit of life.
Scientists Hans and Zacharias Janssen invented the compound microscope that played a vital role in observing cellular functions.
Hans and Zacharias Jansen invented the compound microscope, which consisted of the eyepiece and an objective lens.
The scientists discovered the compound microscope in the late 16th century, which then helped many scientists to magnify and observe the microscopic structures.
Thus, the Janssens discovered the compound microscope.
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NO G00GLE PLEASE <3
Define cell
Answer:
Cell is the fundamental intergral unit of life. It give rise to an organism, it's specialization allows complex or simple functions to occur within a body of an organism.
why is it advantageous for cells to switch to anaerobic fermentation in the absence of oxygen
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How cells extract energy from glucose in the absence of oxygen. In yeast, anaerobic reactions produce alcohol, while in your muscles, they form lactic acid.
it is advantageous for cells to switch to anaerobic fermentation in the absence of oxygen because Anaerobic processes in yeast produce alcohol, whereas they produce lactic acid in your muscles.
What is anaerobic fermentation?
Generally, Once the oxygen is removed from the fermentation vessel and replaced with N2, CO2, etc of the fermentation, anaerobic fermentation begins.
In conclusion, Anaerobic processes in yeast produce alcohol, whereas they produce lactic acid in your muscles.
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what is the material salad spinner
Answer: its made of plastic
Explanation:
Answer:
salad spinners are usually made from plastic
In basidiomycete fungi, where specifically do nuclei from parents combine to make offspring spores
In basidiomycete fungi, the nuclei from parents combine in the BASIDIA to make offspring spores. Basidia are microscopic structures but they are generally produced on large fructifications known as fruit bodies.
A basidium is a sporangium localized on the hymenophore of the fruiting bodies in basidiomycete fungi.
In basidia, the nuclei of two parental strains fuse by karyogamy and then divide to reproduce basidiospores.
A basidium generally contains four sexual spores known as basidiospores.
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A student observed several cell layers positioned on top of one another in the high-power field of view of a compound light microscope. To observe the details of only one of these cell layers, the student should
Answer:
rotate the fine adjustment
Microorganisms often lead to infection because they-
Hi!
Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.
explain how the body establishes a pressure gradient for fluid flow.
Answer: refer to, uofmhealth.org/health-library/tx4097abc
Explanation:
you should find your answer there
Please help
I don't know which one is the answer :(
Answer:
I believe that your answer is C.
Explanation:
Keep in mind that Steve is working with crops (wheat specifically) and Devan has helped him repair his machinery so that Steve can harvest the wheat properly.
what is occurring during the s phase of the cell cycle?
During S phase (synthesis), DNA replication takes place. Completion of DNA synthesis is followed by G2 phase during which cell growth continues and proteins are synthesized in preparation for mitosis. S page lasts for 8 hours approximately.
What are a class of lipids that provide cushioning in animals
Answer:
Phospholipids or fats
In 3–5 sentences, explain how genetic modification helps provide food for a growing population.
Given what we know about genetics, we can confirm that genetic modification helps provide food for a growing population by allowing us to create faster-growing crops that yield more.
What is genetic modification and how can we use it?Genetic modification, in simple terms, is when a scientist affects the genetic code of an organism to bend it towards our specific desires. This can be very dangerous and is very controversial in some cases. However, it can also be very beneficial in terms of food supplies. Gene modification can be used to create crops that will take less time to grow, and grow into bigger foods, allowing us to feed more people.Therefore, we can confirm that gene modification helps provide food for a growing population by forcing crops to be more efficient and feed more people.
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What is the plasma (cell) membrane? What is its main function?
The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment.
The plasma membrane, or the cell membrane, provides protection for a cell. It also provides a fixed environment inside the cell. And that membrane has several different functions. One is to transport nutrients into the cell and also to transport toxic substances out of the cell.
Create a hypothesis: Ben wonders if sugar water will help his vine plant grow taller than it would with regular water. He would like to do an experiment. Create an appropriate hypothesis Ben can test using an experiment. *your hypothesis can be anything as long as it is in the correct format and related to the experiment!
Answer:
Sometimes I wish I was a little baby again, because bruised knees heal faster than broken hearts
Help with 1 and 2 plz make sure it’s right will mark brainiest