The two atria are thin-walled chambers that receive blood from the veins. The two ventricles are thick-walled chambers that forcefully pump blood out of the heart. The right atrium receives deoxygenated blood from systemic veins; the left atrium receives oxygenated blood from the pulmonary veins.
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Answer: If your heart rate is slow, that would also decrease blood pressure If a person has low blood volume. Which would make it harder to keep the blood flowing through your body.
So the answer outdone be D: constricted blood vessels. Hope it helps! Have a good day!
Explanation:
Explanation:
Where possible, we can switch to renewable sources of energy (such as solar and wind energy) to power our homes and buildings, thus emitting far less heat-trapping gases into the atmosphere.