Blood
Heart
Nerves
The Immune system
50

How many miles of blood vessels are there in our body?

60,000 miles

50

What is the biggest carrier of blood in the body?


The Aorta 

50

What nerve sends signals to the brain and back to the heart and tells the heart to speed up or slow down? 

The Vagus Nerve 

50

What do t-cells do? 

 They eat they eat vegetables or fruit so they get stronger to fight of pathogens and bacteria.

100

Are all heart attacks deadly?

No but some can be.

100

what does immune deficiency mean?

No it means your body is getting weak from the pathogen

150

how many chambers in the heart are there

4

150

What is the purpose of B-Cells?

The purpose of B-cells are to make antigens with the other white blood cells (B-Cells are another type of white blood cells) 

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