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ycow [4]
2 years ago
6

The contractile organelle of skeletal muscle fibers is

Biology
1 answer:
Alina [70]2 years ago
5 0

Answer:

The myofibrils are the contractile organelles in the muscle fibers.

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Life sciences about gaseous exchange please help.​
dem82 [27]

Gaseous exchange is fundamental in aerobic organisms because oxygen is required to carry out cellular respiration.

<h3>What is cellular respiration?</h3>

Cellular respiration is a series of chemical reactions by which aerobic organisms interchange oxygen and carbon dioxide with their surrounding environment.

During cellular respiration, oxygen is consumed to generate ATP and carbon dioxide is released.

In conclusion, gaseous exchange is fundamental in aerobic organisms because oxygen is required to carry out cellular respiration.

Learn more about cellular respiration here:

brainly.com/question/2809259

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1 year ago
Why is it important that the space in the chest get bigger
vivado [14]
I think it's so your lungs can expand to help you breathe properly ? You may have to wait for some more answers to come through
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3 years ago
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Food and bloodstains on clothes may contain proteins and fats. Explain how enzymes in biological washing powders act to remove f
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Explanation:

Enzymes would break down the protein and fat molecules when washed as some enzymes are designed to work in that type of atmosphere. Additionally, enzymes are also known as biological catalysts which means they speed up chemical reactions which are taking place. Hence, they help break down molecules that may be in food and in fats.

Hope this helps :)

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Virus and bacteria worksheet
d1i1m1o1n [39]

Answer:

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7 0
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Similarities and differences between arteries and veins
nika2105 [10]

Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body. Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation. Arteries and veins are two of the body's main type of blood vessels.

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