The answer is D (8 to 12)
While doing upper-body exercise routine, fatigue of target muscles can be safely achieved within<span> the short time-frame of about 1.5 minutes (the time-frame for anaerobic pathways) by simply performing 8 to 12 </span>repetitions<span> at a moderate movement speed.</span>
Answer: The Mitral and Tricuspid valves control blood flow in the heart
Explanation:
Using rules and consequences to manage behavior is called discipline!
It pumps the blood in and out of the heart. If I remember right I think that’s it.
The answer is b. it is indirect therefore if it doesn't touch it it cant contaminate it