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7th grade sci heart

QuestionAnswer
Heart pushes or pumps blood through your body
Circulatory the heart vessels and blood are all part of the system
Ventricles what are the lower chambers of the heart called
Lower chambers of the heart pump blood to the lungs and body
Lungs in the first loop of circulation blood collects oxygen after being pumped into the
Arteries capillaries veins blood flows through blood vessels in this order
Aorta the largest artery in the human body is the
Receive blood that has returned from the body what is the function of the upper chambers of the heart
Valves what are the flaps of tissue that prevent blood from flowing backwards
Arteries which thick walled and muscular blood vessels carry blood away from the heart
Step one the heart relaxes and the atria fill with blood
Step two the valve between the Atria and ventricles open
step three the blood flows from the atria to the ventricles
step four the ventricles contracts
step five the blood is pumped out of the heart
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