The nervous system
its fast.
The nervous system
Homeostasis. Regulation of the endocrine system.
one can detect danger by there beu=ing smoke
1. The nervous system allows a free-living flatworm to respond to stimuli in its environment. The eyespots in the nervous system can detect the presence or absence of light and the sensory cell can detect chemicals and movement in water. These adaptions are necessary to the primary environments of flatworms.
1. The nervous system allows a free-living flatworm to respond to stimuli in its environment. The eyespots in the nervous system can detect the presence or absence of light and the sensory cell can detect chemicals and movement in water. These adaptions are necessary to the primary environments of flatworms.
nerves detect changes to salt levels in the blood
Dogs have a good sense of smell and acute hearing.
nerves detect changes to salt levels in the blood
Absolute Threshold
A sharp pain of teeth signals danger while birds are asleep
It is possible for an audience to detect some nervous symptoms in a speaker, such as trembling hands, voice changes, or pacing. However, not all signs of nervousness may be noticeable to the audience, especially if the speaker is good at managing their anxiety internally. Practice and experience can help speakers project confidence even if they are feeling nervous.
Nervous tissue is made up of specialized units called nerve cells, or neurons. They detect different types of stimuli in the body.