Into how many sections is the human heart divided?
a. two sides and two chambers
b. two sides and four chambers
c. three sides and three chambers
d. three sides and six chambers

The answer is B

Explanation:

The heart has two sides: the left side and the right side. Each side of the heart is divided into two parts, called the atrium and the ventricle. The atrium is the top part. The ventricle is on the bottom. Please give me the brailiest answer?

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b. climate change will cause an increase in biodiversity of all ecosystems.

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