NEED HELP!!! ANSWER THESE 5 QUESTIONS FOR 25 POINTS!!!! PLEASE ANSWER!! I WILL GIVE YOU BRAINEST

1. If you “feel the burn” while exercising, what is actually going on in your body?
A.
The lungs have an excess of oxygen.
B.
You have overextended and damaged the muscle.
C.
Your heart has stopped beating for a split second.
D.
Lactic acid is taking the place of oxygen in the muscle.

2. Why does strenuous activity make the heart beat faster?
A.
A high heart rate is a sign of fitness.
B.
Exercise is the only thing that raises a heart rate.
C.
The body requires more oxygen when exercising.
D.
Any time the body is moving, the heart rate is high.

3. When lifting something heavy, which is the MOST important factor in doing it safely?
A.
the weight of the object
B.
the type of object it is
C.
your form when you are lifting
D.
your previous experience lifting boxes

4. Sasha does not have access to a gym or fitness equipment. Is it possible for him to develop a good fitness routine with what he has at home?
A.
No, he will have to spend a little money on fitness equipment to be healthy.
B.
No, if he is not willing to buy equipment, he is not really serious about fitness.
C.
Yes, but he will likely get bored with it much faster than he would gym routines.
D.
Yes, there are cardio and strength training exercises he can do without equipment.

5. Aerobic exercise is good for many of the main systems of the body. Which of the following does it NOT help with?

A.
flexibility
B.
heart health
C.
lung capacity
D.
large muscle groups

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