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


1. Why do athletes have lower heart rates than the average person?
A.
They exercise a lot, so their heart muscle is in great shape.
B.
Athletes are constantly straining their hearts when they are active.
C.
All of the blood goes to their other muscles, leaving little for the heart.
D.
A lower heart rate is a sign that that the heart is not operating efficiently.


2. How does Newton’s second law of physics apply to lifting weights?
A.
Lifting weights requires the proper form and net force.
B.
Without force or motion, the weights are an unbalanced force.
C.
It requires more force to move weights, and this builds muscles.
D.
Weights are an immovable object, and the force is provided by muscles.


3. Trina has a family history of thyroid issues, and it has caused many of her family members to gain weight, which is a common side effect. She is worried that she may develop thyroid problems one day but does not think that exercise will help since it is a gland, not a muscle. She thinks that this means that it cannot be targeted and strengthened. What is the BEST response to Trina?
A.
Isometric exercises strengthen the thyroid gland.
B.
If a condition runs in her family, she will get it no matter what.
C.
There is very little that she can do to improve the health of her thyroid.
D.
It cannot be specifically targeted, but exercise will help it function better.


4. Kira is pretty strong. She works in a warehouse, so she moves a lot of heavy things. Her sister Marta can lift more weight than Kira can but only does it occasionally. Who is likely to have more endurance?
A.
It depends if an item has to be moved a short or far distance.
B.
Marta will have more endurance because she can lift more weight.
C.
They will have the same amount of endurance since they are both strong.
D.
Kira will have more endurance because she spends more time moving heavy objects.


5. Why is it important that those studying biometrics work with coaches as well as athletes?
A.
Athletes are accustomed to monitoring their own body mechanics.
B.
Coaches will need to help athletes make the necessary changes.
C.
Athletes may initially find changes in the way they move to be difficult.
D.
Coaches rarely understand body mechanics, so they need expert advice.

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