Answer: The second question answer: Sympathetic nervous system.
Explanation: The sympathetic nervous system directs the body's rapid involuntary response to dangerous or stressful situations. A flash flood of hormones boosts the body's alertness and heart rate, sending extra blood to the muscles
Answer:
What is the role of ATP in muscle contraction? ATP is responsible for cocking (pulling back) the myosin head, ready for another cycle. When it binds to the myosin head, it causes the cross bridge between actin and myosin to detach. ATP then provides the energy to pull the myosin back, by hydrolysing to ADP + Pi.
I actually asked my Mother, a nurse of 17 years , the answer is D .
Answer: It provides equal amounts of protein, carbohydrates, and fats.
A nutritionally balanced meal recommended by doctors consists of an equal amount of:
- proteins
- carbohydrates
- fats
Hope this helps you!
Answer:
between 1,600 and 2,400 calories a day
