I WONDER - What Is The Busiest Muscle In The Body?

The video tutorial explains the functions of eye muscles and the heart. It highlights how six eye muscles work continuously to enable vision, even during sleep and dreaming. The heart, as the second busiest muscle, pumps approximately 5 liters of blood per minute, totaling 300 liters per hour, maintaining a constant heartbeat of 60 to 100 times per minute.

How many muscles are involved in moving the eyes?

• Four

• Ten

• Six

• Eight

What is the role of the eye muscles during sleep?

• They stop moving

• They move only when awake

• They move only when eyes are open

• They continue to move even when dreaming

Which muscle is described as the second busiest in the body?

• Heart

• Quadriceps

• Biceps

• Triceps

How much blood does an adult heart pump every minute?

• 2 liters

• 3 liters

• 5 liters

• 7 liters

What is the typical range of heartbeats per minute?

• 60 to 100 times

• 100 to 150 times

• 150 to 200 times

• 30 to 50 times