Human Respiratory System

What is the primary function of the system shown in the image?

• To circulate blood throughout the body

• To digest food

• To exchange gases (oxygen and carbon dioxide)

• To filter waste from the blood

What is causing the blood cells to turn bright red?

• The blood cells are dying

• The blood cells are carrying oxygen

• The blood cells are losing oxygen

• The blood cells are infected

What does external respiration refer to?

• The exchange of gases between the blood and the body tissues

• The process of air entering the lungs and exchanging gases with the blood

• The transport of oxygen by the blood to the body's tissues

• The use of oxygen within the cells to produce energy

What is internal respiration?

• The process of air entering the lungs

• The exchange of gases between the blood and the body tissues

• The transport of carbon dioxide from the tissues to the lungs

• The inhalation of oxygen and exhalation of carbon dioxide

Tags

NGSS.HS-LS2-3

Where does cellular respiration occur within the cell?

• Nucleus

• Ribosome

• Mitochondria

• Golgi apparatus

Tags

NGSS.HS-LS1-7

What is the name of the structure that prevents food from entering the trachea?

• Pharynx

• Epiglottis

• Larynx

• Tongue

What is the role of the mucus membrane in the respiratory system?

• To produce nasal concha

• To filter out large particles from the digestive system

• To warm and moisten air, and trap dust and other particles

• To exchange gases directly into the bloodstream

What is the Heimlich maneuver used for?

• To treat a heart attack.

• To help someone who is drowning.

• To save someone who is choking.

• To stop a nosebleed.

What structures are inside the larynx?

• goblet cells

• vocal cords

• alveoli

• The heart

What is the function of the instrument shown in the image?

• It is used to measure blood pressure

• It is used to examine the ears

• It is used to examine the larynx

• It is used to check reflexes