Co-ordination and control

Question 0

Central nervous system ( CNS )

Answer 0

The CNS is made up of the brain and spinal cord, where information is processed.

Question 1

Auxin

Answer 1

A plant hormone that controls the response of plants to light ( phototropism ) and to gravity ( gravitropism)

Question 2

Contraceptive pill

Answer 2

A pill containing female hormones which is used to prevent conception.

Question 3

Effector Organ

Answer 3

Muscle and gland that responses to impulses from the nevvous system

Question 4

Enzyme

Answer 4

Protein molecule that acts as a biological catalyst.

Question 5

FSH

Answer 5

Follicle stimulating hormone, a female hormone that stimulates the eggs to mature in the ovaries, and the ovaries to produce hormones, including oestrogen.

Question 6

Gravitropism

Answer 6

Response of a plant to the force of gravity controlled by auxin.

Question 7

Impulse

Answer 7

Electrical signal carried along the nerons.

Question 8

Kidney

Answer 8

Organ which filters the blood and removes, excess salts and water.

Question 9

Menstrual cycle

Answer 9

The reproduction cycle in women controlled by hormones.

Question 10

Motor Neuron

Answer 10

Neuron that carries impulses from the central nervous system to the effector organ.

Question 11

Nerve

Answer 11

Bundle of hundred or even thousands of neurons

Question 12

Nervous system

Answer 12

CNS

Question 13

Neuron

Answer 13

Basic cell of the nervous system which carries minture electrical impulses around the body.

Question 14

Oestrogen

Answer 14

Female sex hormone which stimulates the lining of the womb to build up in preparation for a pregnancy.

Question 15

Oral contraceptive

Answer 15

Hormone contraceptive that is taken by the mouth.

Question 16

Ovary

Answer 16

Female sex organ which contains the eggs and produces sex hormones during the menstrual cycle

Question 17

Ovulation

Answer 17

The release of a mature egg from the ovary in the middle of the menstrual cycle.

Question 18

Pancreas

Answer 18

An organ that produces the hormone insulin and many digestive enzymes.

Question 19

Phototropism

Answer 19

The responses of a plant to light, controlled by auxin.

Question 20

Pituitary gland

Answer 20

Small gland in the brain which produces a range of hormones controlling body functions.

Question 21

Progesterone

Answer 21

Female sex hormone used in the contraceptive pill.

Question 22

Receptor

Answer 22

special sensory cell that detects changes in the environment

Question 23

Reflex

Answer 23

Rapid automatic response of the nervous system that does not involve conscience thought.

Question 24

Reflex arc

Answer 24

The sense organ, sensory organ, relay neuron, motor neuron and effector organ which bring about a reflex action.

Question 25

Secreting

Answer 25

Releasing chemicals such as hormones or enzymes.

Question 26

Sense organ

Answer 26

collection of special cells known as receptors which respond to changes in surrounding ( example ears or eyes )

Question 27

Sensory Neuron

Answer 27

A neuron which carries impulses from the sensory organs to the central nervous system.

Question 28

Stimuli

Answer 28

a change in the environment that is detected by the sensory receptors.

Question 29

Synapse

Answer 29

The gap between neurons where the transmission if information is chemical rather than electrical.

Question 30

Urine

Answer 30

The liquid produced by the kidneys containing the metabolic waste product urea along with excess water and salts from the body.