Respiratory System Tutorial

What is homeostasis?

• A) A type of cell division

• B) Balance between internal and outside environments

• C) A system in the human body

• D) A type of tissue

Why do we breathe in air?

• To remove oxygen from our body

• To supply our cells with carbon dioxide

• To get oxygen for our cells to create energy and function

• To cool down the body

What is the main function of the respiratory system?

• To help the body move

• To exchange oxygen for carbon dioxide in the cells

• To digest food

• To circulate blood

Why do we breathe?

• To cool down the body

• Cells generate carbon dioxide gas and need to get rid of it

• To improve our sense of smell

• Cells need nitrogen to generate energy

What is another reason why we need to breathe?

• To allow us to speak

• Cells need oxygen to generate energy

• To filter toxins from the air

• To increase body temperature

What is the primary function of the diaphragm in the respiratory system?

• It filters the air we breathe.

• It allows the lungs to expand and deflate.

• It transports oxygen to the body cells.

• It warms the air before it enters the lungs.

What is the main reason our bodies need to get rid of carbon dioxide?

• It is a source of energy for the body.

• It helps in the digestion of food.

• It is a waste product that our bodies do not need.

• It regulates body temperature.

Which pathway does the air follow when we breathe in?

• Mouth or nose, trachea, lungs.

• Mouth or nose, lungs, trachea.

• Lungs, trachea, mouth or nose.

• Trachea, mouth or nose, lungs.

What is known as the respiratory system?

• The entire body system that digests food.

• The system that circulates blood throughout the body.

• The entire body system dedicated to helping us breathe.

• The system that eliminates solid waste from the body.

Where does the gas exchange process take place in the respiratory system?

• In the trachea

• In the bronchi

• In the alveoli

• In the bronchioles