Heart Rate

What Is heart rate?

• Heart rate is the number of breaths a person takes per minute.
• Heart rate is the amount of blood pumped by the heart per minute.
• Heart rate is the number of calories burned per minute.
• Heart rate is the number of times a person's heart beats per minute.

How does exercise affect heart rate?

• Exercise decreases heart rate by slowing down the nervous system
• Exercise has no impact on heart rate
• Exercise causes heart rate to remain constant
• Exercise increases heart rate.

Why does the heart rate increase when you do rigorous physical activity?

A scientific guess Is called ?

(a)  

How could you have improved your method?

Is this normal or abnormal heartbeat?

• Normal

• Abnormal

Is this normal or abnormal heartbeat?

• Normal

• Abnormal