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Human physiology

Circulation, respiration, kidneys, nerves and homeostasis — the systems and how they hold each other steady.

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Question 1 of 8

Which blood vessels carry blood away from the heart?

Question 2 of 8

Gas exchange in the lungs happens across:

Question 3 of 8

The functional unit of the kidney is the:

Question 4 of 8

Insulin lowers blood glucose by:

Question 5 of 8

A resting membrane potential of about −70 mV is maintained mainly by:

Question 6 of 8

Homeostasis is best described as:

Question 7 of 8

Which part of the brain controls balance and coordination of movement?

Question 8 of 8

The normal adult resting heart rate is about:

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