Answer:
The four major types of biomolecules are carbohydrates, lipids, nucleic acids, and proteins.
Explanation:
Through the umbilical vein.
Answer:
Option A
Explanation:
Chloroplasts are always located in the cytoplasm of the cell.
The best description about the brain stem is: it is the most important organ of our body's survival. It connects the brain and the spinal cord, controls the vital organs like the lungs and heart and it also coordinates the many essential body reflexes.
Musculus is the latin word for muscle