Blood in the pulmonary vein is oxygen rich, while in all of the other veins, it is oxygen poor.
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Cell are important to the body because cell are the building blocks of life that help the human body function ex muscle, Skelton eg
Answer:
D. Protection from heart disease
Explanation:
A is wrong because you can have a high self- esteem one day and low the next. So it is not a long term benefit.
B. Increased flexibility, is indeed a benefit but not the answer your looking for and is not long term
C. Lower stress level. This is incorrect because your stress level can come up.
D. Protection from heart disease. This is a long term benefit because exercise makes a healthy heart. D is the correct answer.
