Knowledge builder

Question 1

What is the regulation of the internal
conditions of a cell or organism optimum
conditions.?

Answer 1

homeostasis

Question 2

What two things does homeostasis maintain

optimal conditions for?

Answer 2

enzyme action and cell function

Question 3

Which cells detect stimuli?

Answer 3

receptors

Question 4

which part of a control system receives and

processes information from receptors?

Answer 4

coordination centre

Question 5

Name three parts of the control system that

can act as coordination centres

Answer 5

brain, spinal cord and pancreas

Question 6

Which part of the control system bring
about response which restore optimum
levels?

Answer 6

effectors

Question 7

name two effectors

Answer 7

muscles, glands

Question 8

What enables human to react to their
surroundings and coordinate their
behaviour?

Answer 8

the nervous system

Question 9

how is information passed through along

neurones?

Answer 9

electrical impulses

Question 10

what two parts of the body make up the

central nervous system?

Answer 10

the brain and the spinal cord

Question 11

what do glands secrete?

Answer 11

hormones

Question 12

put these terms in order:
Receptor, Effector, Coordinator, Stimulus,
Response

Answer 12

stimulus, receptor, coordinator, effector, response

Question 13

which neurone takes information from a

receptor to the coordinator?

Answer 13

sensory neurone

Question 14

which neurone takes information from the

coordinator to the effector?

Answer 14

motor neurone

Question 15

which neurone takes information around the central nervous system ?

Answer 15

relay neurone

Question 16

which two words can be used to describe

reflex actions?

Answer 16

automatic and rapid

Question 17

what do reflex actions not involve?

Answer 17

the conscious part of the brain

Question 18

What name is given to the gap between

neurones?

Answer 18

synapse

Question 19

what is composed of glands which secrete

hormones directly into the bloodstream?

Answer 19

the endocrine system

Question 20

how do hormones travel to target organs ?

Answer 20

through the bloodstream

Question 21

what is the master gland?

Answer 21

pituitary gland

Question 22

where is the pituitary gland located?

Answer 22

the brain

Question 23

what are two comparisons of the endocrine

system compared to the nervous system?

Answer 23

slower, acts for longer

Question 24

which organ monitors and controls blood

glucose concentration?

Answer 24

pancreas

Question 25

If the blood concentration is too high what | does the pancreas produce?

Answer 25

insulin

Question 26

what does the hormone insulin cause?

Answer 26

glucose to move from the blood into the cells

Question 27

In the liver and muscle cells what is excess | glucose converted to?

Answer 27

glycogen

Question 28

If the blood concentration is too low what | does the pancreas produce?

Answer 28

glucagon

Question 29

What does glucagon cause?

Answer 29

Causes glycogen to be converted to glucose | and released into the blood

Question 30

Which disorder is when the pancreas fails to | produce sufficient insulin?

Answer 30

type 1 diabetes

Question 31

How is type 1 diabetes treated?

Answer 31

Insulin injections

Question 32

How would you diagnose type 1 diabetes?

Answer 32

Uncontrolled high glucose concentrations

Question 33

Which disorder is when the body cells no longer respond to insulin produced by the pancreas?

Answer 33

Type 2 diabetes

Question 34

What is a risk factor for Type 2 diabetes?

Answer 34

obesity

Question 35

How can type 2 diabetes be treated?

Answer 35

Carbohydrate controlled diet, Following an exercise regime

Question 36

When do reproductive hormones cause | secondary sex characteristics to develop?

Answer 36

puberty

Question 37

What is the main female reproductive | hormone released in the ovary?

Answer 37

oestrogen

Question 38

Where is oestrogen produced?

Answer 38

ovary's

Question 39

At puberty eggs begin to mature and one is released approximately every 28 days. What is this called?

Answer 39

ovulation

Question 40

What is the main male reproductive | hormone produced by the testes?

Answer 40

testosterone

Question 41

What does testosterone stimulate?

Answer 41

sperm production

Question 42

Which hormone causes maturation of an | egg in the ovary?

Answer 42

Follicle stimulating hormone (FSH)

Question 43

Which hormone stimulates the release of | an egg?

Answer 43

Luteinising hormone

Question 44

Which two hormones are involved in | maintain the uterus lining?

Answer 44

Progesterone, Oestrogen

Question 45

Which hormones do oral contraceptives | inhibit?

Answer 45

Follicle stimulating hormone (FSH)

Question 46

How does the injection of slow release progesterone help with controlling pregnancy?

Answer 46

They inhibit the maturation and release of | eggs

Question 47

How do intrauterine devices help with | controlling pregnancy?

Answer 47

They prevent the implantation of an embryo

Question 48

How do barrier methods help with | controlling pregnancy?

Answer 48

they prevent sperm reaching the egg

Question 49

How do spermicidal agents help control | pregnancy?

Answer 49

kill or disable sperm

Question 50

Which hormones can be given as a “fertility | drug"?

Answer 50

FSH and LH

Question 51

What does IVF stand for?

Answer 51

In Vitro Fertilisation

Question 52

Which drugs are given to a mother during IVF to stimulate the maturation of several eggs?

Answer 52

FSH and LH

Question 53

What are the three main negatives | associated with IVF?

Answer 53

It is emotionally and physically stressful, The success rates are not high, It can lead to multiple births which are a risk to both the babies and the mother

Question 54

What hormone is produced in the adrenal | glands?

Answer 54

adrenaline

Question 55

When is adrenaline produced?

Answer 55

in times of fear and stress

Question 56

What are the effects on the body of the | production of adrenaline?

Answer 56

Increased heart rate, Boosted delivery of oxygen and glucose | to brain and muscles

Question 57

Which hormone is produced in the thyroid | gland?

Answer 57

thyroxine

Question 58

Which hormone stimulates the basal | metabolic rate?

Answer 58

Thyroxine

Question 59

How are thyroxine levels controlled in the | body?

Answer 59

By negative feedback

Question 60

Which hormone plays an important role in | growth and development?

Answer 60

Thyroxine