Cardiovascular System

Name

What is the size of the human heart?

• The size of a baseball
• The size of a clenched fist
• The size of of a football

In your own words, explain: what is the cardiovascular system?

What is the main role of platelets in the body?

• To carry oxygen to tissues
• To fight infections
• To help stop bleeding by forming clots
• To produce hormones for the body

Select the three kinds of blood vessels?

• Arteries, Veins and Blood
• Veins, Capillaries and heart
• Veins, Arteries and Capillaries

Which type of blood vessel carries blood away from the heart?

• Arteries
• Veins
• Capillaries
• Valves

The heart is usually located to the right side of the chest cavity, between the lungs, and superior to the diaphragm.

• True
• False

Complete the paragraph about blood flow through the heart: Blood flows through the heart in a specific order. First, oxygen-rich blood enters the __________ (name of the chamber) from the lungs through the __________ vein. From there, the blood moves to the __________ (name of the chamber), which pumps it into the __________ (name of the artery) to be distributed throughout the body. After delivering oxygen to the body, oxygen-poor blood returns to the __________ (name of the chamber) through the ______ veins. Finally, the blood moves to the __________ (name of the chamber), which pumps it to the lungs through the __________ artery to get oxygen.

• Left atrium, pulmonary vein, left ventricle, aorta, right atrium, vena cava, right ventricle, pulmonary artery.
• Right atrium, pulmonary vein, right ventricle, aorta, left atrium, vena cava, left ventricle, pulmonary artery.
• Vena cava, left ventricle, pulmonary artery, right atrium, aorta, left atrium, pulmonary vein, right ventricle.

What type of blood does the pulmonary vein carry?

• Oxygen-depleted blood
• Oxygen-rich blood
• Nutrient-depleted blood
• Carbon dioxide-rich blood

What are the four chambers of the heart?

• Right ventricle, Left atrium, Pulmonary artery, Right atrium
• Aorta, Pulmonary vein, Right atrium, Left atrium
• Right ventricle, Left ventricle, Right atrium, Left atrium
• Left ventricle, Pulmonary vein, Right atrium, Aorta