Answer:
to continually produce energy,your organs need oxygen and the oxygen is carried in your red blood cells.
If its to a child, I would say an egg cell.
But, any of these cells can mutate.
Answer:
1.
Explanation:
A habitat defines the interaction of organisms with the other factors which could be living or non living - ecosystem while niche describes how that specific organism is linked with its physical and biological environmen
I believe the answer is: (C) Organelle < (A) Cell < (E) Tissue < (F) Organ < (D) System < (B) Organism
4 kinds of tissue found in the human body.