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homeostasis 1
plants/digestive/ circulatory systems
11
Biology
9th Grade
10/31/2010

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Cards

Term
Blood clotting can be affected by Ph because the wrong pH will affect what kind of chemical substance?
Definition
enzymes
Term
white blood cells
Definition
engulf bacteria
Term
circulatory system
Definition
body system responsible for transport
Term
hemoglobin
Definition
protein in red blood cells responsible for transporting oxygen
Term
heart attack
Definition
the heart doesn't get enough oxygen because the coronary artery is blocked by a blood clot or fatty plaque
Term
diffusion
Definition
the movement of substances from an area of high concentration to an area of low concentration
Term
capillaries
Definition
the blood vessels between arteries and veins where food molecules/ oxygen diffuse out and waste molecules/ carbon dioxide diffuses in
Term
sickle cell anemia
Definition
a genetic disease due to a gene that codes for an abnormal form of hemoglobin
Term
guard cells
Definition
regulates oxygen and carbon dioxide levels, and the amount of water that enters the cell
Term
digestive enzymes
Definition
change food substances into molecules which can pass into the bloodstream and cells
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