The main site of red blood cell production is the liver.
When Living beings are breathing,they get oxygen and put out carbon dioxide!
Answer:
They are categorized as proteins, fats, carbohydrates (sugars, dietary fiber), vitamins, and minerals, and perform the following vital functions.
Answer:
Ribosomes
Explanation:
Ribosomes are used in cells for growth and repair they are held in the cytoplasm of the cell not the nucleus therefore they are never in contact with dna