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Unit 5-Transport
Transport Vocabulary
| Question | Answer |
|---|---|
| Absorption | the process where materials are brought into cells |
| Circulation | the process where materials travel around an organism |
| concentration gradient | when the amount of materials is different on one side of a cell membrane than the other |
| Passive transport | materials move with the concentration gradient across the cell membrane using no energy |
| active transport | materials move against the concentration gradient using cellular energy |
| diffusion | small materials move with the concentration gradient across the cell memebrane |
| Osmosis | water moves with the concentration gradient across the cell membrane |
| Blood | a liquid tissue which transports nutrients and wastes through the body |
| Plasma | a straw colored fluid, it is the liquid portion of blood |
| Lymphocytes | another term for white blood cells |
| Hemoglobin | an iron containing pigment which carries oxygen in your blood |
| Platelets | small pieces of red blood cells which help blood to clot |
| Valve | prevents blood from flowing backwards in your heart and veins |
| Arteries | largest of the blood vessels, they carry blood away from the heart |
| Veins | vessels that carry blood to the heart |
| Capillaries | smallest of the vessels, they carry blood to all your cells |
| Stroke | a blood clot to the brain |
| Arterosclerosis | advanced disease caused by buildup of fatty deposits on the artery walls |