Asked by AK
Which one of these statements is true regarding blood circulation?
A. For health and survival, it's critical for blood circulation to be ongoing and uninterrupted.
B. Normally, blood circulates in a repeating stop-start rhythm.
C. The heart deoxygenates blood that's returned to it.
D. Taking in large quantities of oxygen makes the circulatory system less efficient.
i don't know this one can you help?
A. For health and survival, it's critical for blood circulation to be ongoing and uninterrupted.
B. Normally, blood circulates in a repeating stop-start rhythm.
C. The heart deoxygenates blood that's returned to it.
D. Taking in large quantities of oxygen makes the circulatory system less efficient.
i don't know this one can you help?
Answers
Answered by
jelena
It is A!
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