Questions About Health?

Question 1
The blood entering the right atrium is low in oxygen because it has just returned to the heart after nourishing the body with needed oxygen.
A.True
B.False
Question 2
The heart muscle tissue has the most endurance of any muscular organ in the body.
A.True
B.False
Question 3
Systemic circulation requires help from which of the following?
A.bones
B.lungs
C.arteries and veins
D.muscles
Question 4
Pulmonary circulation is [...]

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answer these questions plzz?

Question 6 (Multiple Choice Worth 5 points)
The blood gains its oxygen in which part of the body?
heart
lungs
brain
muscle tissue
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Question 7 (Multiple Choice Worth 5 points)
Which is NOT a benefit of good cardiovascular health?
improvment in appearance
increasing your self esteem
the ability to manage [...]

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