Https://www.ncbi.nlm.nih.gov/pubmed/8300084
This might help
Answer:
Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport, and sensing. Epithelial layers contain no blood vessels, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane
Sickle cell anemia is recessive, meaning people with the disease inherit it from both parents.
Answer:
That doesn't mean the energy is gone, it's just not where you are looking. The universe is defined as all energy and matter. It is everything. Closed system there is ...
