Making Connections NYS Living Environment

What body system are you measuring the activity of when you are measuring your pulse rate?

• digestive

• circulatory

• excretory

Heart rate can be indirectly measured in the classroom by

• measuring the pulse rate

• using a thermometer

• squeezing a clothespin

The buildup of waste products in muscle cells that are active might cause

• Digestion

• Increased fatigue

• Decreased heart rate

Tags

NGSS.MS-LS1-3

Which body system brings in oxygen into your body?

• immune

• digestive

• respiratory

Which two body systems work together to remove wastes produced by exercising from cells?

• Immune and Endocrine

• Digestive and Skeletal

• Respiratory and Circulatory

• Circulatory and Digestive

What happens when your pulse rate increases?

• more oxygen is supplied to muscles

• increased blood flow

• both

What happens to your pulse rate when you exercise?

• increases

• stays the same

• decreases

• falls to zero

When you breathe, your lungs take in ___ and remove ___.

• oxygen, carbon dioxide

• carbon dioxide, air

• carbon dioxide, waste

Which activity most likely corresponds to (goes with) the pulse rate of the person while sleeping?

• 1

• 2

• 3

• 4

What happens to your pulse rate when you exercise?

• increases

• stays the same

• decreases

• falls to zero