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Biology
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How does the heart pump oxygen around the body?

Our heart can be divided into a left and right side, each containing two chambers: an atrium and a ventricle. Low pressure blood flows into the atria and is pumped out of the ventricles (high pressure); t...

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Answered by Ella B. Biology tutor
3897 Views

What happens to the diaphragm during inspiration?

Diaphragm contracts which causes it to move downwards/become flatter

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Answered by Will H. Biology tutor
2860 Views

How do Calcium and ATP contribute to muscle contraction?

When the nerve impulse arrives, it stimualtes the opening of Voltage Gated Calcium channels in the sarcoplasmic reticulum. This means Calcium is released into the sarcoplasm where is can bind to troponin ...

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Answered by Sophie C. Biology tutor
4458 Views

What are the main differences between aerobic and anaerobic respiration

Aerboic respiration requires oxygen wheras anaerboic respiration does not. Because of this, glucose does not fully break down, resulting in there being much less energy produced. The end products are also...

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Answered by Samuel H. Biology tutor
9859 Views

Describe the process of cyclic photophosphorylation?

Inside a chloroplast, there are thylakoid disks, that have their own phospholipid bilayer membrane, which contains embedded protiens, which allow the process of cyclic ad non-cyclic photophosphorylation t...

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Answered by Samuel H. Biology tutor
24028 Views

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