Cardiac and Respiratory Systems

What is the main function of the heart?

• Pump blood

• Digest food

• Filter blood

• Produce hormones

Which chamber of the heart receives oxygenated blood from the lungs?

• right atrium

• left ventricle

• right ventricle

• left atrium

What is the purpose of the circulatory system?

• The purpose of the circulatory system is to transport oxygen, nutrients, and other substances throughout the body.

• The purpose of the circulatory system is to regulate body temperature.

• The purpose of the circulatory system is to produce hormones.

• The purpose of the circulatory system is to remove waste products from the body.

Tags

NGSS.MS-LS2-3

What are the three main types of blood vessels in the circulatory system?

• Arteries, veins, and capillaries

• Capillaries, veins, and arteries

• Veins, capillaries, and arteries

• Arteries, veins, and arteries

What is the role of red blood cells in the circulatory system?

• Red blood cells carry oxygen and remove carbon dioxide.

• Red blood cells produce antibodies.

• Red blood cells help in the clotting of blood.

• Red blood cells transport nutrients and waste products.

Tags

NGSS.MS-LS1-3

What is the function of the respiratory system?

• Regulate body temperature.

• Digest food.

• Produce hormones.

• Facilitate the exchange of oxygen and carbon dioxide.

Which organ is responsible for the exchange of oxygen and carbon dioxide in the respiratory system?

• liver

• heart

• stomach

• lungs

What is the process of inhaling and exhaling called?

• exhalation

• breathing

• inhalation

• respiration

What is the role of the diaphragm in the respiratory system?

• The diaphragm plays a role in maintaining body temperature.

• The diaphragm is responsible for the production of red blood cells.

• The diaphragm helps in the digestion of food.

• The diaphragm helps in the process of breathing by contracting and relaxing to facilitate the expansion and deflation of the lungs.

What is the purpose of the alveoli in the respiratory system?

• The purpose of the alveoli is to filter the air.

• The purpose of the alveoli is gas exchange.

• The purpose of the alveoli is to produce mucus.

• The purpose of the alveoli is to warm the air.