Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Biology > Year 9 SE > Flashcards

Year 9 SE Flashcards

1
Q

How many days does a menstrual cycle last for ?

A

28 days

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What happens on Day 0 of menstruation?

A

Menstruation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What happens on Day 0-14 of menstruation?

A

Builds up uterus lining

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What happens on Day 14 of menstruation?

A

Ovulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What happens on Day 28 of menstruation?

A

Maintain uterus lining

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does FSH do ?

A

Stimulates egg maturation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does LH do ?

A

Stimulates ovulation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does oestrogen do ?

A

Causes uterus lining to build up

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does progesterone do ?

A

Maintains uterus lining

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What do glands produce ?

A

Hormones

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What are hormones ?

A

Chemical messengers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are hormones transported through ?

A

Bloodstream

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What does the ovaries produce ?

A

Oestrogen

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What and where does the thyroid gland produce ?

A

Thyroxine in the neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What does the testes produce ?

A

Testosterone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What and where does the pituitary gland produce ?

A

FSH, LH in the brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What does the pancreas produce ?

A

Insulin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What and where does the adrenal gland produce ?

A

Adrenaline in the kidneys

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What and where does the salivary gland produce ?

A

Saliva in the mouth

20
Q

What happens when there’s too much glucose in blood sugar ?

A
  1. Too much glucose
  2. Pancreas produces insulin
  3. Insulin changes glucose to glycogen into liver
  4. Blood glucose decreases back to normal
21
Q

What happens when there’s too little glucose in blood sugar ?

A
  1. Too little glucose
  2. Pancreas produces glucagon
    3.Glucagon changes glycogen to glucose
  3. Blood glucose increases back to normal
22
Q

List the 3 neurones

A

Sensory, relay, motor

23
Q

Where’s the sensory neurone ?

A

Receptor to coordinator

24
Q

Where’s the relay neurone ?

A

Coordinator

25
Q

Where’s the motor neurone ?

A

Coordinator to effector

26
Q

What is homeostasis?

A

Regulation of internal environment

27
Q

Give some examples of homeostasis

A

Temperature, blood sugar, water levels

28
Q

What’s negative feedback ?

A

Counteracting response

29
Q

What’s positive feedback

A

Amplifying response

30
Q

What’s the required practical ?

A

The test for reflex actions with a ruler

31
Q

What’s the independent variable for the required practical ?

A

With/ without music (the thing you change)

32
Q

What’s the dependent variable for the required practical ?

A

Ruler measurement (the thing you measure)

33
Q

What’s the control variable for the required practical ?

A

Same ruler, same person (the thing you keep the same)

34
Q

What’s the purpose of a reflex action?

A

Protect from danger

35
Q

Give some examples of reflex action

A

Blinking, breathing

36
Q

What is a reflex action ?

A

A quick automatic response

37
Q

What are the 2 differences between nervous system and endocrine system ?

A

N- faster effect, act for shorter
E- slower effect, act for longer

38
Q

Name the 4 contraception techniques

A

Natural, chemical, barrier, surgical

39
Q

Give some examples of natural contraception

A

Abstaining from sex, monitor body temp

40
Q

Give some examples of chemical contraception

A

Pill, transplant, iud

41
Q

Give some examples of surgical contraception

A

Vasectomy (male), sterilisation (female)

42
Q

Give some examples of barrier contraception

A

Condom, diaghram

43
Q

How does barrier method work ?

A

Prevent sperm from reaching the egg

44
Q

How does surgical method work ?

A

Sperm duct/oviduct is tied

45
Q

How does chemical method work ?

A

Have hormones to stop FSH and LH production so no egg matures and no ovulation.

Biology (7 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions