Front

What is the major organ of the respiratory system?

Back

Lungs

Front

Why are the lungs considered an excretory organ?

Back

They get rid of carbon dioxide, a cellular waste.

Front

What is the primary function of the endocrine system?

Back

Release hormones to control many body functions.

Front

What are pathogens?

Back

Unicellular organisms or structures that cause disease.

Front

What is the job of the circulatory system?

Back

Transporting blood and delivering nutrients to cells.

Front

What is the pharynx?

Back

A tube-like passageway used by food, liquid, and air, containing the epiglottis.

Front

What is the function of the epiglottis?

Back

It folds down when you swallow to prevent food or water from entering the lungs.

Front

What does the circulatory system transport?

Back

Blood and nutrients.

Front

What is the role of hormones in the body?

Back

They regulate various body functions.

Front

What is the difference between the respiratory and circulatory systems?

Back

The respiratory system is responsible for gas exchange, while the circulatory system transports blood and nutrients.