Bill Nye- The Heart

Question 1

Where does blue and red blood come from?

Answer 1

They come from your body then goes into your lungs to get oxygen ,(it recharges) then it goes back to your heart.

Question 2

How many chambers does the heart have?

Answer 2

4 chambers.

Question 3

What would happen if the heart didn’t have valves?

Answer 3

The pump wouldn’t work.

Question 4

Where is the blood pumping?

Answer 4

From one chamber to the other

Question 5

What is the role of the valve?

Answer 5

It keeps the blood flowing in one direction rather than having it flow all over the place.

Question 6

How many beats per minute does the heart beat?

Answer 6

60-100 beats per minute when at rest.

Question 7

During which activity does the heart beat the fastest?

Answer 7

When you’re scared or nervous or when you’re doing physical activity.

Question 8

During which activity does the heart beat the slowest?

Answer 8

When you’re asleep.

Question 9

Why is exercise good for your heart?

Answer 9

When your muscles need more oxygen, it forces the heart to beat faster which strengthens the heart.

Question 10

What makes the muscles in your heart move?

Answer 10

Electricity makes the heart contract.

Question 11

Where does the electricity come from?

Answer 11

There’s a patch of nerves on the right side of the heart that sends the electricity to the heart.

Question 12

What is the name of the natural pace maker?

Answer 12

Sinoatrial nerves.

Question 13

How is the heart muscle different from the rest of the muscles in your body?

Answer 13

Muscles in your arms are striated muscles.

Muscles in your stomach are smooth muscles.

Muscles in your heart are cardiac muscles.

Question 14

What is a striated muscle?

Answer 14

They’re skeletal muscles.

Question 15

What are cardiac muscles?

Answer 15

They’re strong and contract quickly.

Question 16

What happens when your blood vessels are damages and cut?

Answer 16

The vessel springs a leak, (the blood leaks out of the vessel). The protein in the blood that tries to clot at the cut.

Question 17

What happens when fat causes a clot?

Answer 17

The fat narrows the blood vessel making it harder for the blood to go through. The clot comes along and clogs up the blood vessel so the muscles down stream are deprived of oxygen.

Question 18

What causes a heart attack?

Answer 18

When fat causes a clot.

Question 19

What is the job of the heart?

Answer 19

To pump and circulate blood to the body.

Question 20

What does the blood carry?

Answer 20

The blood and the body’s waste.

Question 21

How does the artificial heart work?

Answer 21

It’s taking the blood from the body, rooting it through the bipass machine that is outside the person’s body which is acting like a heart and lungs. The oxygenated blood is passed back to the body. Human heart outside of the body.

Question 22

Why is too much fat not good for your heart?

Answer 22

Clog your arteries. It makes your heart work harden than it has to.

Question 23

How can we take care of our heart?

Answer 23

Exercising and eating well and healthy such as fruits and vegetables, focussing less on the calories,(not so much calories).