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Circulatory System
vocabulary
10
Science
7th Grade
02/06/2015

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Term
A molecule that carries oxygen and carbon dioxide.
Definition
hemoglobin
Term
Irregularly shaped cell fragments that help clot blood.
Definition
platelets
Term
The blood vessels that connect arteries and veins.
Definition
capillaries
Term
Blood vessels that carry blood away from the heart.
Definition
arteries
Term
The blood vessels that carry blood back to the heart.
Definition
veins
Term
Tissue fluid that diffuses into the lymphatic capillaries.
Definition
lymph
Term
Complex molecules that don't belong in the body.
Definition
antigens
Term
Your body makes its own antibodies in response to an antigen.
Definition
active immunity
Term
Antibodies that have been produced in another animal and introduced into your body.
Definition
passive immunity
Term
The liquid part of blood, which is made mostly of water.
Definition
plasma
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