Respiratory System

Which of the following is the main function of the respiratory system?

• Obtains oxygen and remove carbon dioxide from the body

• Transports oxygen and nutrients to the body cells

• Protects the body from invading organisms

What is the anatomically correct name of the windpipe?

• Pharynx

• Larynx

• Trachea

It is the network of organs and tissues that help you breathe.

• digestive system

• nervous system

• circulatory system

• respiratory system

What is the purpose of the respiratory system?

• takes in oxygen and releases nitrogen

• takes in carbon dioxide and releases oxygen

• takes in oxygen and releases carbon dioxide

• takes in nitrogen and releases oxygen

Openings that pull air from outside your body into your respiratory system.

• sinuses

• mouth and nose

• bronchial tubes

• lungs

Passage connecting your throat and lungs.

• pharynx

• bronchial tubes

• diaphragm

• trachea

Our respiratory system helps us...

• absorb oxygen into our body.

• absorb nutrients from the food that we eat.

• protect our body from bacteria

• circulate oxygen

What are the smaller branches of the bronchi called?

• bronchioles

• alveoli

• larynx

• lungs

What do humans need to breathe in from the air?

• hydrogen

• carbon monoxide

• carbon dioxide

• oxygen

What gas do plants take in that animal/humans breathe out?

• carbon monoxide

• carbon dioxide

• nitrogen oxide

• oxygen

Tags

NGSS.MS-LS1-6