Answer:d.acts as a sedative
Explanation:
Caffeine is a stimulant. It has a stimulating effect on the central nervous system. It has a ability to suppress the brain receptor like adenosine.
The inhibition of adenosine will lead to suppression of sedative effects it causes.
Even low doses of caffiene can reduce drowsiness and fatigue.
One should avoid or limit caffeine because it is mildly addictive, it may cause irritability, and it may cause sleeplessness. But caffeine is not a sedative.
The importance of your health is feeling good about yourself and maintaining your self esteem and self image .
<span>What is the short term benefit to eliminating of dependents of drugs
?
</span>Increased clarity and focus.
Answer:
B. Brisk walking for thirty minutes three times a week
Explanation:
A person who is planning on participating a fitness program should start with a moderate-intensity exercise, just like <em>"brisk walking." </em><em>Vigorous aerobic dance, running and swimming</em> are high-intensity exercises because they use the body's large muscle groups. They are not meant for starting a fitness program especially when they are done at longer periods of time. Exercise should be started at a slow pace while advancing it over time in order to accommodate one's level of stamina.
Answer:
It is as a result of a chemical called a buffer.
Explanation:
All functioning cells, organ, blood or any other substance need to always be constant (in this case pH) and a slight change will lead to a loss of function. Fortunately, there are chemicals called buffers that act by maintaining comstant internal environment, and they work by absorbing excess hydrogen ions or releasing them depending on the acidity or alkalinity thus resisting a change in the chemical environment.