'New action potentials' diaporamas de présentation

What do cells need?

What do cells need?. External Environment. Internal environment. -needs to be highly regulated This is done by receiving information in the form of signals and responding to these signals - Homeostasis is the process of maintaining a relatively stable internal environment.

777 views • 39 slides

Biology 3201

394 views • 22 slides

DETECTING AND RESPONDING TO SIGNALS

DETECTING AND RESPONDING TO SIGNALS. The communication systems. ENDOCRINE - Chemical messengers secreted by cells and carried via a transport system , finally diffusing into extra cellular fluid surrounding a target cell

287 views • 18 slides