| A | B |
|---|
| diffusion | movement of molecules from high to low concentration |
| hypertonic | more solutes than other solution |
| hypotonic | less solutes than other solution |
| facilitated diffusion | diffusion through a protein pore |
| active transport | method of crossing the cell membrane that requires energy |
| ATP | our body's form of energy |
| sodium/potassium pump | a type of active transport |
| pinocytosis | cell "drinking" |
| phagocytosis | cell "eating" |
| secretion | cell releases hormones or mucus |
| excretion | cell expels waste |
| osmosis | special case of diffusion involving movement of water through semipermeable membrane |
