I WONDER - Do We Have Electricity In Our Bodies?

The video explains how heart muscles contract through electrical impulses in the body. It also describes how hospital devices measure these electric pulses to monitor heartbeats.

What causes the contraction of heart muscles?

• Chemical reactions

• Muscle fibers

• Blood flow

• Electrical impulses

Which of the following is NOT a function of the heart muscle?

• Contracting due to electrical impulses

• Maintaining circulation

• Pumping blood

• Producing hormones

Where might you commonly see a device that measures heartbeats?

• In offices

• In gyms

• In hospitals

• In schools

What does the device in hospitals actually measure?

• Oxygen levels

• Electric pulses

• Heart rate

• Blood pressure

What is the primary purpose of the small machine used in hospitals?

• To monitor electric pulses

• To check blood sugar levels

• To assess lung capacity

• To measure body temperature