Stretching of the organ by food in the lumen, osmolarity and PH of contents, and the presence of substances and end products of digestion
It responses the light known as positive phototropism which means the stem grows towards the light
your skin. specifically the dermis
Receptors are groups of specialised cells. They detect a change in the environment stimulus. In the nervous system this leads to an electrical impulse being made in response to the stimulus. Sense organs contain groups of receptors that respond to specific stimuli.
Special sensory neurons in sense organs that receive stimuli from the external environment.
Yes , they do have or how else could they sense the stimuli. there are certain things that even prove them. Mimosa pudica (touch me not) plant it instantly folds its leaves in seconds when touched. how is pollen released or received .plants first release pollen by certain organs or an response or the stigma also makes pollen tube when pollen land on it by special sensors. roots continuously absorb water of course by specific signals.
sensation
sensation
ventral
any of the sense organs that respond to vibration, stretching, pressure, or other mechanical stimuli.
The three/four functions of the nervous system are:to act as a communication channel between the various parts of the bodyto sense stimuli from the environment and from the tissues and organs of the body itselfto interpret sensationsto send impulses to other parts of the nervous system and organs of the body to perform actions
The balance organs are the sensors in the body closest to the hearing organs. Sometimes referred to as 'vestibular organs' for they lie alongside the vestibule in the ear.
Nerve impulses.