The heart has four chambers (or rooms). You need to remember that the flow of blood is very logical -- as the blood enters the heart after its long and treacherous journey through the body, it does not have much oxygen left. It needs to enter the lungs to acquire more oxygen! It then enters the heart and gets one push pump out into the body to travel around again.
Check out this link for an easy diagram!
http://www.enchantedlearning.com/subjects/anatomy/heart/labelinterior/label.shtml
Please be sure to complete the page in your Circulatory System booklet - How the Circulatory System Works so we are fully ready to MAKE BLOOD in class tomorrow! :)
*****other homework*****
- Read for 20 minutes.
- Complete Math homework.
- Return Aquarium form tomorrow
Good night!
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