sels carrying oxygen-rich blood from those carrying car d describe the system us

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sels carrying oxygen-rich blood from those carrying car d describe the system used to color code them in im s called a double compare ood through the heart d supply of the heart, and name the a f cardiac muscle, and state the pump, and compare the pulmonary and systormic circuits, blood vessels importance of its intercalated discs nt of its cells Pre-Lab Quiz 1. The heart is enclosed in a double-walled sac called the: 2. The heart is divided into 3. What is the name of the two receiving chambers of the heart? ray d. thorax c. pericardium chambers b. mediastinum a. apex omy c. four d. five b. three a. two and from which all 4. The left ventricle discharges blood into the systemic arteries of the body diverge to supply the body tissues. a. aorta c. pulmonary vein b. pulmonary artery d. vena cava Circle True or False. Blood flows through the heart in one direction-from the atria to the ventricles. Circle the correct underlined term. The right atrioventricular valve, or tricuspid valve/mitral valve, prevents backflow into the right atrium when the right ventricle is contracting. 5. 6. Z Circle the correct underlined term. The heart serves as a double pump. The right /left side serves as the pulmonary circuit pump, shunting carbon dioxide-rich blood to the lungs. 8. The blood vessels that supply blood to the heart itself are the: c. coronary arteries d. pulmonary trunks a. aortas b. carotid arteries 9. Two microscopic features of cardiac cells that help distinguish them from c. sarcolemma Circle the correct underlined term. In the heart, the left / right ventricle other types of muscle cells are branching of the cells and: a. intercalated discs b. myosin fibers d. striations 10. has thicker walls and a basically circular cavity shape.

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Answers

1) The heart is enclosed in a double-walled sac celled the : Pericardium
Option C

2) The heart is divided into four chanbers.
Option C

3) Two receiving chambers of heart is calle atria.

4) The left ventricle discharges blood into the aorta from which all systemic arteries of the body diverge to supply the body tissues.
Option A

5) Bloods flows through the heart in one direction--from the atria to the ventricles ------- TRUE

6) The right atrioventricular valve, or tricuspid valve prevent backflow into the right atrium when the right ventricle is contracting.

7) The heart serves as a double pump. The right side serves as the pulmonary circuit pump, shunting carbon dioxide-rich blood to the lungs.

8) The blood vessels that supply blood to the heart itself are the : Coronary arteries
Option C

9) Two microscopic features of cardiac cells that help distinguish them from other types of muscle cells are branching of the cells and : Intercalated discs
Option A

10) In the heart, the left ventricle has thicker walls and a basically circular cavity shape.

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