How does the circulatory system work?

HOW DOES THE CIRCULATORY SYSTEM WORK?

The Circulatory System is very important in the NUTRITION FUNCTION because...

...the Circulatory System transports nutrients and oxygen to our cells.

Two years ago we studied the organs involved in the Circulatory System. 

Let´s remember all of them.

In general there are two organs in our Circulatory System: the heart and blood vessels (arteries, veins and capillaries)

And...another questions that young scientists ask...

What are their functions?

We investigated it using our scientific encyclopedia (Our Natural Science books)

Let´s review it watching the following video

(Read subtitles please)

Did you know what happen in our heart?

(Read subtitles please)

Let´s learn more about blood

What are the cells in blood? What can we see if we use a microscope to see blood?

What are the different blood cells function?

Let´s see how platelets (plaquetas) work when we have a cut

(Read subtitles)