Respiratory System

The main function of the respiratory system is to:

• transport nutrients throughout the body

• regulate body temperature

• exchange gases between the body and the environment

• protect the body from pathogens

The respiratory system takes in which gas?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

The respiratory system releases which gas?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

Where does gas exchange occur in the lungs?

• In the alveoli

• In the bronchi

• In the trachea

• In the pleura

The name of the tube that carries air to the lungs is:

• Esophagus

• Trachea

• Bronchi

• Larynx

Nose/Nasal Cavity: _______.

• Primary entry for air

• Main organ for digestion

• Responsible for blood circulation

• Main organ for excretion

Pharynx: _______.

• Throat

• Larynx

• Esophagus

• Trachea

Larynx: _______.

• Voice box

• Heart

• Liver

• Kidney

Trachea: _______.

• Windpipe

• Esophagus

• Bronchus

• Larynx

Fill in the blank: The part labeled as 'Nose' is the entry point for air into the _______.

• the respiratory system

• the digestive system

• the circulatory system

• the nervous system