Take the following scenario and describe the route of information flow from sens

Question

Take the following scenario and describe the route of information flow from sensors to effectors.
You hear a noise which is familiar and frightening. Your body tenses, your breathing speeds up, you swing around to strike the person who has approached you from behind. It is just a puppy, you relax and continue working on your biology homework.

Note, this will require sense of hearing, baroreceptors, the hypothalamus, associative metal activity, the somatic nervous system, the sympathetic and parasympathetic nervous systems and more… Take the following scenario and describe the route of information flow from sensors to effectors.
You hear a noise which is familiar and frightening. Your body tenses, your breathing speeds up, you swing around to strike the person who has approached you from behind. It is just a puppy, you relax and continue working on your biology homework.

Note, this will require sense of hearing, baroreceptors, the hypothalamus, associative metal activity, the somatic nervous system, the sympathetic and parasympathetic nervous systems and more… Take the following scenario and describe the route of information flow from sensors to effectors.
You hear a noise which is familiar and frightening. Your body tenses, your breathing speeds up, you swing around to strike the person who has approached you from behind. It is just a puppy, you relax and continue working on your biology homework.

Note, this will require sense of hearing, baroreceptors, the hypothalamus, associative metal activity, the somatic nervous system, the sympathetic and parasympathetic nervous systems and more…

Explanation / Answer

The information flow the sensors to effectors is described below.

Sound waves arrive at the tympanic membrane of the ear --- movement of tympanic membrane causes displacement of ear ossicles --- movement of stapes at the oval window --- causes pressure waves in the perilymph of vestibular duct --- pressure waves distort basilar membrane on their way to tympanic duct --- vibration of basilar membrane causes vibration of hair cells against tectorial membrane --- information regarding intensity and direction of sound is relayed to cochlear nerve --- cochlear nucleus --- superior olivary nucleus --- inferior colliculus --- medial geniculate body --- auditory cortex --- processing of information --- information passed on to hypothalamus --- activates sympathetic nervous system --- stimulates adrenal medulla --- release of epinephrine and nor epinephrine into the bloodstream --- neural activity combines with hormones to continue the fight or flight response

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