Answer:
A. circulation
Explanation:
the heart is the central organ of the circulatory system. As the heart beats, it pumps blood through a system of blood vessels. the heart along with the circulatory system constitutes the circulatory system. The movement of blood through the heart and the body is called <em>circulation</em>.
Answer: Because you won't preform at your best level during work or school. this is because each age group, babies all the way to elderly people have certain amount of needed time for sleeping. when you don't get full hours your body hasn't had the time to rest and recollect energy.
Explanation:
Jackie noticed an increase in appetite after she started weight
training. Since she did not change her eating habits, her body fat began
to drop. Why did
this happen?
D.As muscle mass increases, so does metabolism. A higher metabolism burns more fat.
Answer:
<em>A. Awareness of ourselves & our environment</em>
Explanation:
To be conscious, is to be aware of yourself and your surroundings. If you are conscious, you don't necessarily need to be able to respond -- but you should at least be able to take in basic information surrounding you.
To have consciousness, you should at least have thoughts, perceptions, and possibly feelings.
Answer:
Receptors
Explanation:
So this is a poorly put question, and very vague, but within the context, it sounds to be either Receptors or Hormones. Receptors are cells, so I would go with that.
But this makes no sense.
