Nervous System

Question : The following is a list of terms associated with a person’s responses. Each term is identified by a letter.

A – brain

B – contraction

C – gland

D – hormone

E – impulse

F – motor neurone

G – muscle

H – receptor

I – sensory neurone

J – spinal cord

(a) Using their identifying letters only, place the terms in the order in which they are involved in the following :

(i) Peeling an onion causes a student’s eyes to water.

…………………………………………………………………………

(ii) A student decides to open a book.

…………………………………………………………………………

(iii) A student hears a sudden loud noise, and shortly afterwards, his heart beats faster.

…………………………………………………………………………

(b) Name the type of response involved in (a)(i) and (a)(ii)

(a)(i) ……………………………………

(a)(ii) …………………………………..

(c) Describe how responses involving the nervous system differ from those that involve the effects of hormones.

………………………………………………………………………………………………………………………………………………………………………………………………………

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