Circulatory/Respiratory Flashcard

Front

Where does gas exchange occur in the lungs?

Back

Alveoli

Front

What are the main components of the circulatory system?

Back

Heart, arteries, and veins

Front

Which type of blood cell is responsible for fighting infections?

Back

White Blood Cells

Front

What are the tiny blood vessels that connect arteries and veins?

Back

Capillaries

Front

What is the pathway of air after the pharynx during inhalation?

Back

Trachea

Front

What is the function of the heart in the circulatory system?

Back

To pump blood throughout the body.

Front

What is the role of red blood cells?

Back

To carry oxygen from the lungs to the body and carbon dioxide from the body back to the lungs.

Front

What is plasma?

Back

The liquid component of blood that carries cells, nutrients, hormones, and waste products.

Front

What are the main functions of the respiratory system?

Back

To facilitate breathing and gas exchange.

Front

What is the role of the diaphragm in breathing?

Back

To contract and expand the chest cavity, allowing air to flow in and out of the lungs.