How does the heart work?
How does the heartbeat work?
Normal heart Rate
Parts of a Heart
Animal hearts
100

What does your heart do? 

Your heart pumps blood throughout our bodies.

100

Why is the heartbeat important?

It helps transport oxygen through your body

100

what happens if your heart-rate stops 

you'll die 

100

What are the 2 upper chambers called?

Atriums

100

How many hearts does a worm have?

Five

200

how much pumps does your heart pump per a minute

60-100

200

what's the important part of the heart that's makes it work

the sino-atrial node

200

What is the normal heart beat per minute?

The heartbeat is about 60-100.

200

What are the 2 lower chambers called? 

Ventricles. 

200

how much hearts does a octopus have 

3

300

how much hearts does a human being have

1

300

how does the heart work 

it pumps blood through your body

300

how much is the resting heart rate

40 per minute 

300

What part is the Aorta



300

How many hearts does a leach have?

32

400

why do we need a heart

to stay alive

400

what is the thin layer called in the heart 

pericardium

400

is heart only to stay alive 

yes because its the most important part of you body 

400

What is the biggest part of the heart?

Left ventricle.

400

are animals and humans heart the same 

some yes some no

500

Can anxiety slow down your heart beat?

Yes

500

what does the pericardium do to your heart 

it covers the exterior

500

Why is it important to have a heart? 

It is important because your heart transports oxygen through your body.

500

 What is the smallest part of the heart?

Thebesian veins

500

What animals has no hearts?

JellyFish, StarFish and Corals.