Answer:
he might be rinning the marithon and may not have been in shape
Explanation:
Answer:
The organisms homeostasis
The answer to this question is A
Answer:
not very sure what your question if you can upload again the question that will be great
A vaccine uses a live pathogen that is too weak to make you sick. Once it enters your body you defeat it easily. Now that yur body is familiar with it your body can fight off the disease in the future.