Answer:
A
Explanation:
Cardiovascular diseases involves the heart.
Any of the above options with regards to blood (etc, white blood cells, red blood cells) are related to circulatory system, not affecting the function of the heart.
Stem cells performing apoptosis to remove old cells is a myth. Stem cells can only differentiate to form cells of the same lineage, not causing other cells to undergo apoptosis. The only external factor that can cause cells to undergo apoptosis is a type lymphocyte in the immune system
Both were powerful nations and they served as trading hubs in their respective regions during that time.
Answer:
Please elaborate more your answer
Explanation:
Answer:
2.)how much a certain area can hold is carrying compacity
3>)if a disease killed most of the producers the species would have a chance of dying out
Explanation:
