Biology
Fill in the blanks with suitable words.
The heart consists of four chambers (a) …………… and two (b) …………… . The atria have (c) …………… walls. The ventricles have (d) …………… walls. The right ventricle pumps blood only up to the (e) …………… for oxygenation.
Circulatory System
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Answer
The heart consists of four chambers (a) two atria and two (b) ventricles . The atria have (c) thin walls. The ventricles have (d) thick muscular walls. The right ventricle pumps blood only up to the (e) lungs for oxygenation.
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