<span>Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women.</span>
Answer:
3
Explanation:
Vaccines protect travelers from serious diseases. Depending on where you travel, you may come into contact with diseases that are rare in the United States, like yellow fever. Some vaccines may also be required for you to travel to certain places.
<span>They benefit from having the respiratory </span>system<span> give oxygen and take away carbon dioxide. Muscle </span>cells benefit<span> by having circulatory </span>system<span> bring them blood and oxygen. The heart pumps blood towards the arteries, arteries carry blood to the </span>cells<span>.</span>
Tetrahydrocannabinol (THC)
Kinda like medicine. Vaccines go into the body and target the virus, some vaccines make the virus weak, some exterminate the virus completely, and some aren’t tested enough to work. However with all the little battles happening to kill the virus you can get sick from vaccines.