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Can you explain the difference between Type 1 and type 2 diabetes?

Endocrine parts of pancreas called Islets of Langerhans . 2 populations of cells: A cells - secrete glucagon (RAISES blood glucose conc) - when all the 'gluc has gone' B cells - secrete insulin (LOWERS blood...
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Answered by Noura H. • Biology tutor
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What is the difference between DNA and RNA?

DNA and RNA are both examples of nucleic acids, and so are formed from long chains of nucleotides. However, there are three broad structural differences between the two. 1) DNA is usually found double-strand...
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Answered by Luke K. • Biology tutor
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If a person drinks a lot of water, the water content of their blood will increase. Describe how the water content of their blood is regulated.

Osmoreceptors in the hypothalamus detect the increase in water concentration. This stimulates the pituitary gland to release less ADH. This reduces the amount of ADH in the blood and so, reduces the amount o...
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Answered by Avnish S. • Biology tutor
11040 Views

What is the function of T-helper cells?

T-helper cells are a kind of lymphocyte that are a key part of the adaptive immune system. The adaptive immune system is largely coordinated by T cells, of which there are several types, and B cells, the oth...
TF
Answered by Theo F. • Biology tutor
10210 Views

Explain the Cardiac Cycle

Deoxygenated blood from the body drains into the right atrium of the heart through the superior and inferior vena cava blood vessels. The blood then travels from the right atrium, through the tricuspid valve...
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Answered by Simi P. • Biology tutor
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