A good title would be "The Cell Membrane: _____" and then insert what type of cell it is in the blank.
Its b or d
Explanation:
None
Answer:
Cell membrane surround cells, but cell wall is an extra covering outside plant cells, made up of cellulose
Answer: The blood vessels in the umbilical cord, the fetus receives all the necessary nutrition, oxygen, and life support from the mother through the placenta.
Explanation: