They have half the chromosomes in body cells. One half are from one parent the other half is from the other parent.
Answer:
it should be the first or last one. :) good luck.
Explanation:
Answer:
The oxygen enters the bloodstream from the alveoli, which are tiny sacs in the lungs where gas exchange takes place. The transfer of oxygen into the blood is through simple diffusion. While oxygen moves from the capillaries and into body cells, carbon dioxide moves from the cells into the capillaries and starts with high concentration but fades to low concentration.
Explanation:
Fat contains nine kilocalories per gram.
Generally it can either be ones feelings about oneself or ones past experiences, usually the two link in some way
