Question

Indicators

1) Chambers of the heart. 2) The blood vessels which carry blood to the heart and the heart chambers where they end. 3) The blood vessels which carry blood from the heart and the heart chambers from where they begin. 4) Valves - position, function.

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Answer 1

Answer: 1) two auricles and two ventricles

2) veins

3) artries

4)The valves prevent the backward flow of blood. These valves are actual flaps that are located on each end of the two ventricles (lower chambers of the heart). They act as one-way inlets of blood on one side of a ventricle and one-way outlets of blood on the other side of a ventricle.

Explanation: