...distinct types of signals: long-distance electrical signals...
...signals: long-distance electrical signals and short-distance chemical...
...and short-distance chemical signals. The specialized structure...
...is transmitted. Interpreting signals in the nervous...
...motor neurons transmit signals to muscle cells,...
...extensions that receive signals from other neurons....
...extension that transmits signals to neurons or...
...axon hillock, where signals that travel down...
...which act as signals to transmit and...
...is not transmitting signals is called the...
...potentials are the signals conducted by axons....
...for generating the signals of the nervous...
...the actual nerve signals that travel along...
...generation of nerve signals. Many of the...

...neurons that transmit signals along dedicated pathways....
...dedicated pathways. These signals in turn regulate...
...and other chemical signals bind to target...
...and other chemical signals trigger responses by...
...to that signal. Signals are often classified...
...its target. Endocrine signals, or hormones, are...
...regulators are chemical signals that act over...
...paracrine and autocrine signals. Paracrine signals act...
...autocrine signals. Paracrine signals act on cells...
...secreting cell. Autocrine signals are secreted regulators...
...cell itself. Some signals have both paracrine...
...autocrine activity. Chemical signals play a critical...
...neurons secrete chemical signals called neurotransmitters, which...
...brain, secrete chemical signals that diffuse from...
...the bloodstream. These signals are a class...
...with pheromones, chemical signals released into the...
...Local regulators are signals that link neighboring...
...set point, glucagon signals the liver cells...
...and initiates endocrine signals appropriate to environmental...
...to environmental conditions. Signals from the hypothalamus...
...suckling generates nervous signals that eventually reach...
...hormone cascade pathway. Signals to the brain...
...stimulated by nerve signals carried from the...
...responds to endocrine signals. Stressful stimuli cause...

...escape controls. Cytoplasmic signals drive the cell...
...by specific chemical signals present in the...
...stop and go-ahead signals regulate the cycle....
...the cycle. The signals are transmitted within...
...have built-in stop signals that halt the...
...overridden by go-ahead signals. Many signals registered...
...go-ahead signals. Many signals registered at checkpoints...
...Checkpoints also register signals from outside the...
...give the go-ahead signals at the G1...
...pathways that link signals originating inside or...

...be regulated by signals that fall into...
...Eat That? “Go” Signals – Hunger and...
...without hunger?style.visibilitystyle.visibilitystyle.visibility “Go” Signals – Hunger and...
...the stomach and signals the hypothalamus of...
...stimulate eating. “Stop” signals – Satiation And...
...overeating.People can override signals of satiety and...