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What are myelin sheaths?
Neurons have long axons that can carry electrical signals across the body. Myelin sheaths are fatty layers that wrap around axons and insulate them. Therefore, myelin sheaths allow electrical signals to be c...
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Lakshya S.
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Biology tutor
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What is the genome and what does it do?
The entire genetic material of a organism is called its genome . Just as a recipe book contains instructions for making different meals, an organism's genome contains instructions for making different protei...
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Shannon R.
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Biology tutor
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Explain how Antidiuretic Hormone (ADH) regulates bodily hydration levels
Antidiuretic hormone is produced by the hypothalamus and is released by the pituitary gland in the brain. The hypothalamus regulates the water content of the blood by controlling how much ADH is released and...
WC
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William C.
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Biology tutor
2877 Views
How can we treat coronary heart disease? (OCR 21st century Biology)
Well, what is coronary heart disease?Coronary arteries are blood vessels that supply the heart muscle with food and oxygen With these nutrient, these muscle cells can respire and release energy for muscle co...
PM
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Pan M.
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Biology tutor
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What does ADH do and how does it work?
Anti-diuretic hormone (ADH) is a hormone produced to help maintain the amount of water in the body when it is dehydrated. Water passes into the Bowman's capsule from the blood in the glomerulus in the nephro...
LB
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Lauren B.
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Biology tutor
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