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:
The person would be more prone to illness
Explanation:
White blood cells are also known as Leukocytes. (which is where the name Leukemia came from) They help protect the body from illnesses and foreign invaders by engulfing and destroying them. If the body cannot create enough white blood cells, then there are less cells to fight off infection.
Giraffe, horses, and zebras
The largest biome according to land in the world is Taiga,
also known as boreal. It covers almost 30% of the world’s forest and by country
it covers the land of North America, Canada and Russia. There are many
categories of biomes according to their specific quality or reason like dessert,
rainfall etc.
