Co-ordination And Control

Question 1

Voluntary action

Answer 1

Are actions that are deliberate and involve the process of thinking

Question 2

Reflex action

Answer 2

This does not involve any thinking time

Question 3

What are the 3 reflex actions characteristic have in common

Answer 3

Occur very rapidly.
Are automatic
Do not involve conscious control

Question 4

Hormones are

Answer 4

Are chemical messengers produced by glands that release them into the blood

Question 5

Theses hormones

Answer 5

Travel around the body but only affect certain target organs

Question 6

Nervous system

Answer 6

We are able to respond to the environment around us

Question 7

Anything we respond to is called

Answer 7

Stimulus

Question 8

I’m animals every stimulus affects a

Answer 8

Receptor

Question 9

There are many types of

Answer 9

Receptor responding to a particular stimulus (sight,smell,taste,touch,sound)

Question 10

Is receptor is stimulant is causes

Answer 10

An effector to produce a response

Question 11

Nervous system equations

Answer 11

Stimulus - receptor - effector - response

Question 12

Receptors and effectors are

Answer 12

Linked together by a coordinator

Question 13

What is the coordinator

Answer 13

Usually the brain but can be the spinal cord

Question 14

The brain and spinal cord make up

Answer 14

The cns (central nervous system)

Question 15

The difference between nervous system and hormones

Answer 15

Nervous system-
Fast acting
Info sent as impulses along neurons
Hormones-
Usually slow acting longer effects
Info carried in blood as chemicals