Answer:
A)
Explanation:
Legit the entire thing is full of BS answers. No, your digestive system DEFINITELY does not create red blood cells, your bone marrow does.
True, an organism may be either multi- or uni-cellular
Answer: open and globular
Explanation: The two major types of star clusters are open clusters and globular clusters.
I think it’s true (sorry if wrong)
embryonic stem cells are obtained from an umbilical cord or an embryo.
adult stem cells are obtained from red bone marrow