I WONDER - Do Our Cells Need Blood?

The video explains that the human body is composed of approximately 75 trillion cells, equivalent to 1000 billion. The heart is responsible for pumping blood to all these cells, with the exception of the corneas. The corneas, which form the clear front part of the eye, are unique as they do not receive blood like other cells in the body.

How many cells approximately make up the human body?

• 150 trillion

• 50 trillion

• 75 trillion

• 100 trillion

What is the equivalent of 75 trillion in billions?

• 500 billion

• 750 billion

• 1500 billion

• 1000 billion

Which organ is responsible for pumping blood throughout the body?

• Heart

• Kidneys

• Liver

• Lungs

Which part of the body does not receive blood?

• Heart

• Liver

• Lungs

• Corneas

Where are the corneas located?

• Back of the eye

• Middle of the eye

• Front of the eye

• Side of the eye