Circulatory and Respiratory Systems

Front

What is a group of similar cells that perform the same function?

Back

Tissue

Front

What does your body need more of when you are physically active?

Back

Oxygen

Front

What is the name of the tube in your throat that is part of the respiratory system?

Back

Trachea

Front

What is the basic unit of structure and function in an organism?

Back

Cell

Front

What does your pulse indicate?

Back

How fast your heart is beating.

Front

What is the main organ of the circulatory system?

Back

Heart

Front

What are the tiny air sacs in the lungs where gas exchange occurs?

Back

Alveoli

Front

What is the function of red blood cells?

Back

To carry oxygen from the lungs to the rest of the body.

Front

What is the role of the diaphragm in the respiratory system?

Back

To help with breathing by contracting and relaxing.

Front

What is the term for the process of taking in oxygen and expelling carbon dioxide?

Back

Breathing