term 1 test systems

Question 1

nervous system purpose

Answer 1

carries electrical messages

Question 2

what does the central nervous system (CNS) consist of?

Answer 2

brain, spinal cord

Question 3

what does the peripheral nervous system (PNS) do?

Answer 3

The nerves throughout the body deliver messages to and from the body.

Question 4

stimulus

Answer 4

the change - standing on a pin

Question 5

Receptors

Answer 5

detect the change - skin

Question 6

Sensory neuron

Answer 6

sends message

Question 7

motor neurone

Answer 7

response message

Question 8

effector

Answer 8

organ that responds - mouth

Question 9

response

Answer 9

action - OW

Question 10

what is the order of reflex action?

Answer 10

Stimulus - receptors - sensory - Central nervous system - motor neuron - effector - response

Question 11

process of excretory

Answer 11

removal of nitrogen
blood delivers waste to kidneys
kidneys filter blood
waste travels to bladder
bladder removes waste
filtered blood returned to the heat.

Question 12

what is homeostasis

Answer 12

maintaining a constant internal environment. - balance

Question 13

osmoregulation

Answer 13

water balance

Question 14

glucoregulation

Answer 14

glucose - sugar balance

Question 15

thermoregulation

Answer 15

body temperature

Question 16

circulatory system

Answer 16

transports nutrients and waste around the body via blood.

Question 17

arteries

Answer 17

oxygenated blood travels away from the heart

Question 18

capillaries relate to

Answer 18

gas exchange

Question 19

veins

Answer 19

blood into heat - deoxygenated blood low pressure

Question 20

requirements for life

Answer 20

oxygen, water ect

Question 21

MRS NERG

Answer 21

movement, respiration, sensitivity, nutrition, excretion, reproduction, growth.

Question 22

respiratory system

Answer 22

breathing