Question

Five features of heart♥ ​

Answer 1

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• Heart is the main pumping station of human body.
• The heart is a muscular organ made up of cardiac muscle, and this muscles are autonomic.
• Human heart contain autonomic nervous system.
• Heart is covered by a membrane, pericardium.
• Heart contain four chambers___two upper auricle and two lower ventricle.

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Answer 2

Explanation:

The human heart has four chambers: two upper chambers (the atria) and two lower ones (the ventricles), according to the National Institutes of Health. The right atrium and right ventricle together make up the "right heart," and the left atrium and left ventricle make up the "left heart."