Answer:
The Use or Lose Principle
The Principle of Use or Lose implies that when it comes to fitness, you "use it or lose it." This simply means that your muscles build strength (hypertrophy) with use and lose strength (atrophy) with lack of use. This also explains why we or lose fitness when we stop exercising.
Explanation:
Answer: They cannot bend or move easily, they are not flexible as normal cells and they can block the blood flow.
Explanation:
Sickle cell or sickle cell disorder( SCD) is a group of red blood cell disorders that are inherited and they cannot bend or move easily in a human body.
A Normal cell is round-shaped and normal cells can move through blood vessels. they are carrying oxygen to all parts of the human body and sickle-shaped cells cannot do that. A Sickle-shaped cell can block that blood flow and it can cause many problems and diseases in the human body.
Answer:
Oxygenated blood is pumped from the left ventricle into the aorta and supply cells of all organs with oxygen and nutrients.
Answer= B
Explanation:
Yes it does so the doctor can show you the xrays
Answer:
The skull protects the brain from any direct damage and the vertebrae helps keep the nerves in the spine in place and protected from damage. So the central nervous system is protected by the vertebrae and the skull.
