To be honest, I'm not that sure on which one it is, but given choices lead me to think is the nervous system, probably because that's the reason our bodies are functioning, and compared to all other systems, the brain and the nervous system are needed for survival, otherwise you wouldn't be living.
If your pertaining to reps it would be 2 or more as my guess.
Answer:
you can use atom to experiment something and to test something
Answer:
A. Intermittent claudication is the correct answer.
Explanation:
A. Handwashing is part of your hygiene
