State Lab #2: Making Connections

Front

What is the effect of exercise on the number of times a person can squeeze a clothespin?

Back

Exercise increases the number of times a person can squeeze a clothespin in a certain amount of time.

Front

How can the validity of an experiment be increased?

Back

By increasing the number of participants in the experiment.

Front

What body system is responsible for pulse rate?

Back

The circulatory system.

Front

What do the lungs take in and remove during breathing?

Back

The lungs take in oxygen and remove carbon dioxide.

Front

What waste product does the body produce more of during exercise?

Back

Carbon dioxide.

Front

What happens to your pulse rate during exercise?

Back

Your pulse rate increases.

Front

Define 'circulatory system'.

Back

The circulatory system is the system that circulates blood and lymph through the body, consisting of the heart, blood vessels, and blood.

Front

What is the role of oxygen in the body during exercise?

Back

Oxygen is used to produce energy in the cells during exercise.

Front

What is carbon dioxide's role in the body?

Back

Carbon dioxide is a waste product produced during cellular respiration and is expelled from the body during breathing.

Front

Explain the relationship between exercise and heart rate.

Back

Exercise increases heart rate to supply more oxygen to the muscles.