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- Ok. What is the bloody made out of?
- The heart is divided into four part the left and right ventricles and the left and right atriums. The veins and arteries help blood flow in and out of the heart. The left side of the heart is thicker than the right because the left side pumps blood to the whole body where the right side only pumps blood to the lungs.
- wow!
- So blood is made out of main ingredients, red blood cells or erythrocytes, white blood cells or leukocytes, platelets which i told you about before and plasma. the red blood cells make up about 40% of the blood which is the most and that's what gives blood its red colour, white blood cells only make you 1% of blood but have a very important rolls to fight of any bad bacteria. the plates make up less then one percent but when you cut your skin the cells are very important. aslo the plasma it makes up the rest of the amount of blood and it has the very important job to make sure everything is flowing right and the blood pressure stays at a good pressure.
- Wow thank you so much for helping with my saw and tell me all that information about the heart and blood and stuff.
- Your welcome! I hoped you enjoyed learning about the circulatory system.
- so it all started at with the main organ the heart. the heart pumps blood around the body every day and when you cut your skin some boody comes out
- oh. ok. so how does the cut heal.
- Ok so the cells fix the cut?
- Well, these cells called platelets which flow around your body with red and white blood cells to help fix the cut.
- Ok so the platelets heal the cut but what does the heart look like?
- Well the platelets form a barrier where the cut skin is and it forms a brown is scab so that the skin can heal over it.
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