Circulatory System - The Body's Expressway Part 1

Multiple Choice

Why is the circulatory system often referred to as the body's expressway?

• Because it transports materials throughout the body

• Because it is the largest system in the body

• Because it controls all body movements

• Because it helps in digestion

Multiple Choice

Which of the following materials is NOT transported by the circulatory system?

• Nutrients

• Oxygen

• Carbon dioxide

• Enzymes

Fill in the Blanks

The cardiovascular system consists of the heart, blood vessels, and

.

Multiple Select

Which of the following are components of the circulatory system?

• Heart

• Lymphatic vessels

• Liver

• Blood vessels

Multiple Select

Which of the following statements about blood flow through the heart are correct?

• Blood enters the right atrium from the body

• Blood leaves the heart through the atria

• The left ventricle pushes oxygen-rich blood to the body

• The septum prevents mixing of oxygenated and deoxygenated blood

Multiple Choice

What is the function of the septum in the heart?

• It pumps blood to the lungs

• It separates oxygenated and deoxygenated blood

• It controls the heartbeat

• It supplies nutrients to the heart muscle

Multiple Choice

Which chamber of the heart pushes deoxygenated blood to the lungs?

• Right ventricle

• Left ventricle

• Right atrium

• Left atrium

Multiple Select

Which of the following are characteristics of arteries?

• Thick walls

• Carry blood away from the heart

• Thin walls

• Carry blood to the heart

Fill in the Blanks

The largest artery that carries blood leaving from the left ventricle is called the

.

Fill in the Blanks

Many capillary walls are only

cell thick, allowing molecules to move easily between blood and body cells.

Multiple Choice

What is the main function of veins in the circulatory system?

• To bring blood to the heart

• To carry oxygen to body cells

• To transport nutrients to tissues

• To remove waste from the body

Multiple Select

Which of the following are true about veins?

• They have low pressure

• They have one-way valves

• They carry blood away from the heart

• They are separated from the heart by capillaries

Fill in the Blanks

Blood consists of plasma, blood cells, and

.

Multiple Choice

Which component of blood is responsible for transporting oxygen?

• Red blood cells

• White blood cells

• Plasma

• Platelets

Multiple Choice

During systemic circulation, where does oxygenated blood leave the heart?

• Left ventricle

• Right ventricle

• Left atrium

• Right atrium

Multiple Choice

Which vessel carries deoxygenated blood from the right ventricle to the lungs in pulmonary circulation?

• Pulmonary artery

• Aorta

• Pulmonary vein

• Coronary artery

Multiple Choice

What are the main components of the lymphatic system as shown in the diagram?

• Lymph nodes, organs, lymphatic vessels, and lymph

• Red blood cells, white blood cells, plasma, and platelets

• Arteries, veins, and capillaries

• Bones, muscles, and nerves