jueves, 16 de enero de 2014

BLOOD CIRCULATION

The previous days we have been learning about NUTRITION, the DIGESTIVE SYSTEM, the RESPIRATORY SYSTEM and the EXCRETORY SYSTEM.
Today it's time to find out the CIRCULATORY SYSTEM and the BLOOD CIRCULATION.



CIRCULATORY SYSTEM

Circulation is the movement of blood through the circulatory system.

To get to know more we are going to watch these videos:




Our heart moves blood through the body.
It never stops beating.

BLOOD VESSELS are tubes which transport blood through the circulatory system.


What is the name of the blood vessels which carry blood away from the heart?
What is the name of the blood vessels which carry blood into the heart?
What is the name of tiny blood vessels which connect arteries to veins?


BLOOD CIRCULATION


There are two circulatory systems:
PULMONARY CIRCULATION
SYSTEMIC CIRCULATION

Can you describe each one?

To get to know the answer we are going to watch this video:





To review everything do these activities: