Breathing and Heart Rate

Amy and her friend measured their pulse rates. The table of results show their recordings for the activity. What is the full meaning of 'bpm'?

What is the average pulse rate of the group before the exercise?

Whose pulse rate result before exercise, is exactly equal to the average pulse rate before exercise?

• Chichi

• Amy

• Harriet

• Padmon

• Zilah

What pattern can you see in the result, between the pulse rates, before and after the exercise

• Their pulse rate is between 70 and 100 before the exercise

• The pulse rate was lower before exercise and higher after exercise.

• Their pulse rate after exercise was higher and between 140 and 200.

• Their pulse rate was higher than 60.

Tags

NGSS.MS-PS3-5

What is the average pulse rate after exercise?

What is pulse?

• Heartbeat

• contraction and relaxation of the arteries

• Contraction and relaxation of the heart

• arteries moving

Heartbeat is the same us pulse. True or false?

• True

• False

• Not sure

What simple instrument is used to measure pulse rate?

• stethoscope

• Stopwatch

• Sphygmomanometer

• blood meter

Which of these ages have the highest pulse rate?

• 4 years

• 14 years

• 6 years

• 12 years

• 3 months

The elephant has a big heart compared to the mouse. Which of these animals will have a higher pulse rate after moving around for 20 minutes?

• Elephant

• Mouse

• None of them

• Not sure