The UV is needed by the skin to make previtamin D3. Previtamin D3 or cholecalciferol made from the skin will be changed in the liver into 25- hydroxyvitamin D3 and then sent to the kidney to be changed into 1,25- dihydroxyvitamin D3. The last change in the kidney will active the vitamin D. Vitamin D has a role in the calcium absorption which was will strengthen the bone tissue.
Answer: Community
Explanation:
A community refers to a group of organisms including plants, animals and microorganisms, living and breeding together in a given area.
It is organized because some organisms called producers (plants) produce the food which is eaten by consumers (animals), and after the consumers die, Decomposers (microorganisms) feed on them.
Thus, community is the answer
Your rate of breathing is primarily regulated by the amount of oxygen in your blood.
Answer: It depends on where u live it can go to the negatives and could be at 0 at some point
Explanation:
