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Circulatory System Concepts

Circulatory System Concepts

Assessment

Interactive Video

Biology

9th - 10th Grade

Practice Problem

Hard

Created by

Patricia Brown

FREE Resource

The video explains the concept of double circulation in the circulatory system, where blood passes through the heart twice, acting as two pumps. It covers the pulmonary circuit, where deoxygenated blood is sent to the lungs and back, and the systemic circuit, where oxygenated blood is distributed throughout the body. The benefits of double circulation include efficient separation of oxygenated and deoxygenated blood and higher blood pressure. The video concludes with study tips for exams.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does double circulation mean in the context of the circulatory system?

Blood circulates only in the body.

Blood passes through the heart twice.

Blood passes through the heart once.

Blood circulates only in the lungs.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which side of the heart pumps deoxygenated blood to the lungs?

Both sides

Right side

Left side

Neither side

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the pulmonary circuit, what happens to the blood in the lungs?

It remains unchanged.

It becomes oxygenated.

It is filtered.

It becomes deoxygenated.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is the wall of the right ventricle thinner than that of the left ventricle?

It pumps blood a shorter distance.

It pumps blood a longer distance.

It does not pump blood.

It pumps blood at a higher pressure.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where does the systemic circuit begin?

Right ventricle

Left atrium

Right atrium

Left ventricle

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main artery that carries oxygenated blood from the heart in the systemic circuit?

Pulmonary vein

Pulmonary artery

Vena cava

Aorta

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a key benefit of double circulation?

Increased heart rate

Decreased blood flow

Lower blood pressure

Separation of oxygenated and deoxygenated blood

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