Answer: A) Heart and lungs
Explanation:
The heart becomes more efficient with every beat as it pumps oxygen-carrying blood, the lungs more effective in taking in oxygen, and the muscles more equipped to use more oxygen.
It affects the hormones of a specific gender , type of person.
Answer:
Mood
Explanation:
If 10 is the highest amount and Mood was rated 8.5. Grief would affect Mood the most.
Identical twins<span> have the same genes, so they generally look alike and are the same sex.
</span>Fraternal twins<span> develop when two separate eggs are fertilized by two different sperm.</span>