Answer:
your answer is B. Glucose
Explanation:
Just like other cells in the body, brain cells use a form of sugar called glucose to fuel cellular activities. This energy comes from the foods we consume daily and is regularly delivered to brain cells (called neurons) through the blood.
Herpes, genital warts and syphilis
Answer: A. Medical errors
Explanation:
The research states that medical error comes in next right after deaths caused by heart diseases and cancers (the later two causing at least 250,000 deaths every year).
Hepatitis<span> A </span>virus<span> is usually spread from person to person by putting something in the mouth that has been contaminated with the stool of a person with </span>hepatitis<span> A. This type of transmission is called the "fecal-oral" route.</span>
By components do you mean organs? If so...
1. Brain - gives demands ands orders to all of the body to function properly
2. Heart - pumps blood, and keeps the organism receiving the blood alive
3. Skin - protects the tissue from UV Rays that may be harmful