Answer: Mitosis
Explanation:
Since meiosis helps only in the production of gametes, mitosis helps the somatic cells in the already fertilized egg (zygote) to do the following:
- multiply their number, thus aiding growth
- form new cells like red blood cells to transport oxygen, white blood cells to fight infection, liver cells etc
Thus, for growth mitosis is the mechanism used to generate more cells
The answer is D
Hope this helps
Answer: Respiratory gases(Oxygen)
Explanation:
The essential role of cadio vascular system is to supply blood; containig metabolites (glucose,amino acid, fatty acid and glycerol) and gases expecially Oxygen,needed for combustion of these nutrients(metabolites) in mitochondrial of cells (cellular Respiration) to generate ATPs for biochemical activities of the body.
