Respiratory System

Front

What is the normal pH range for blood?

Back

7.35-7.45

Front

Microscopic sacs where gas exchange takes place are called:

Back

alveoli

Front

The trachea branches off into two:

Back

Bronchi

Front

A small flap of tissue that covers the trachea when swallowing is called the:

Back

epiglottis

Front

What important activity takes place in the lungs?

Back

Oxygen (O2) is exchanged for Carbon Dioxide (CO2)

Front

What is the primary function of the respiratory system?

Back

To facilitate gas exchange between the body and the environment.

Front

What is the role of the diaphragm in respiration?

Back

The diaphragm contracts and flattens to create a vacuum that pulls air into the lungs.

Front

What are the main components of the respiratory system?

Back

Nose, trachea, bronchi, lungs, and alveoli.

Front

What is the function of the epiglottis?

Back

To prevent food from entering the trachea during swallowing.

Front

What is the difference between inhalation and exhalation?

Back

Inhalation is the intake of air into the lungs, while exhalation is the expulsion of air from the lungs.