The video explains how to find your pulse by placing a finger on your wrist, feeling the rhythmic bump caused by blood flow. It describes the heart as a pump that circulates blood throughout the body and to the lungs. The heart, a hollow muscle the size of a fist, pumps blood continuously, delivering oxygen and removing waste gases through the lungs.

What is the sensation you feel when you place your finger on your wrist?

• A tingling sensation

• A cold spot

• A rhythmic bump

• A sharp pain

What is the primary function of the heart?

• To filter waste from the blood

• To pump blood throughout the body

• To digest food

• To produce hormones

How much blood does the heart pump daily?

• Enough to fill a large bucket

• Enough to fill a small pond

• Enough to fill several swimming pools

• Enough to fill a bathtub

What happens to blood when it reaches the lungs?

• It picks up waste gases

• It delivers nutrients

• It picks up fresh oxygen

• It becomes solid

What does blood deliver to the body after leaving the lungs?

• Hormones

• Carbon dioxide

• Fresh oxygen

• Nutrients