The 650 skeletal muscles in the human body contract when they receive signals from motor neurons, which are triggered from a part of the cell called the sarcoplasmic reticulum. Motor neurons tell your muscles to contract and the better you become at having those signals tell your muscles to contract, the stronger you can get.
I do not see any choices but I will give you background on anorexia nervosa- This is basically compulsive exercise and weight loss. Basically this is when people keep keep keep working out and they are at a very low bodyweight . I had a problem with this when I was younger and would not eat. Hope this helps
A. Retrograde
B.Anterograde
Hope this helps, please mark as brainliest
Answer:
Bananas are good for you
Explanation:
I am not sure if they are after a workout but they contain potassium which is good for you.