The answer is Carbohydrates
Sugar and carbohydrates are broken down into smaller versions called glucose. All cells in the human body depend on glucose. This makes carbohydrates the body's number one energy source. The brain and nervous system run directly off glucose.
True... examples: the spine helps you stay up right which would help for structure and the skull help protect the brain which would be protection
Anemia- The Bone Marrow stops making red and white cells and platelets for the body.
People with severe or very severe are in risk of life threathing infections and bleeding.
Leukemia- Is a cancer to blood or bone marrow .Large numbers of white cells are produced in the bone marrow and crowd it and the bloodstream and they cannot perform the proper role of protecting and fitting against diseases.Blood has to go everywhere to bring to body what it needs, making it a stuff cancer.
Major progress and been made targeting this cancer, take the blood out of the body, separate your cancer blood from your good blood, better ways to kill only the bad blood, make more good blood faster, relax your body, mind, improved immune system.
Answer:
It should be answer C.
Explanation:
The main reason to create SI units was to be able to communicate everyone's results internationally, and because we all you different units, the SI units fixed that.
Hope this helped.