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SCI
UNIT 1-5
Term | Definition |
---|---|
Homeostasis | the constant states the body maintains |
Components of the feedback loop | Sensor mechanism, integrator or control center, effector mechanism, feedback |
ionic bond | strong electrostatic force that binds the positively and negatively charged ions together |
covalent bond | chemical bond formed by sharing of one or more pairs of electrons between outer energy levels of two atoms |
diffusion | phenomenon caused by small particles that spread out evenly within a given space |
osmosis | the passive movement of water through a semipermeable membrane |
epithelial tissue | covers and protects the body surface lines body cavities, moves substances into and out of the body |
connective tissue | functions to support the body and its parts, connects and hold them together, protects it from foreign invaders |
muscle tissue | produces movements, moves the body and its parts |
nervous tissue | specializes in communication among various parts of the body and in integration of their activities |