The circulatory system and the heart
The circulatory system is the main transport system in you body .
The circulatory system is the main transport system in you body .
It has three main parts :
It has three main parts :
1- the heart
1- the heart
2- blood
2- blood
3- blood vessels
3- blood vessels
It is involuntary action that you have no control on it. Your heart beats all the time.
It is involuntary action that you have no control on it. Your heart beats all the time.
Because your blood is warm , it help to spread around your body.
Because your blood is warm , it help to spread around your body.
The blood vessels:
The blood vessels:
Are special tubes that carry blood around the body. One type of the vessels carry blood with Oxygen, the other type of vessels carry blood with carbon dioxide
The heart
The heart
Is the main organ in the system. It is made of very strong muscles that never get tired. Which pump the blood around the whole body.
Blood
Blood
Is a liquid substance that carry different substance around your body .
- the blood carry food from the digestive system to all the body parts.
- carries oxygen and carbon dioxide from and in to the body.
- moves waste products to the excretory organs to get rid of it.
You feel your heartbeat or pulse where blood vessels are close to the skin .
You feel your heartbeat or pulse where blood vessels are close to the skin .
Questions :
Questions :
- What are the main parts of the circulatory system?
- heart, blood, and blood vessels .
2. What are the actually feeling when you take your pulse ?
- you feel that the blood being pumped around the body by the heart .
3. What makes your blood flow and move around your body? Why is that important?
It is important because blood carries All the different substance that your body needs. The heart pump blood for the whole body.
