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 Blank

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 Blank

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

Fill in the Blank

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 Blank

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