A vaccine is a biological preparation that provides active acquired immunity to a particular disease. A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or killed forms of the microbe, its toxins, or one of its surface proteins.
Nephr/o This is your answer. Hope this helps.
Answer:
First answer and then the other is the second answer.
Explanation:
Answer:
The digestive system works very closely with the circulatory system
Explanation:
<span>Body's ability to endure 20 minutes or more of strenuous, continuous exercise
-with oxygen
-heart becomes stronger and more efficient
-best thing you can do for your body
</span><span>Aerobic exercise</span>
