It doubles, so the answer is 8 chromosomes.
For walking, a group of four muscles, known as Quadriceps muscles are the most important. A complete bed rest for a longer period of time causes the reduction in the flexibility of the quadriceps. So, in order to prepare a person for ambulating after a long bed rest, the nurse should focus to restore the flexibility in the quadriceps. This can be done by alternating flexing and relaxing the quadriceps. This exercise would help in reviving the strength of the quadriceps.
Answer:
the re-introduction of the American chestnut Tree.
Explanation:
D because your calf muscle is under your knee in back to if it’s already built up and can go to the heel bone because the calf muscle is connected to the heel bone