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Year 8 > Human body MTA > Flashcards

Human body MTA Flashcards

1
Q

What are living things made up of many cells called?

A

Multicellular organisms

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2
Q

What is the definition of a tissue?

A

A group of similar cells working together to perform a certain function

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3
Q

Order the following terms from smallest to largest:

“tissue”, “organ”, “organ system”, “cell”

A

cell –> tissue –> organ –> organ system

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4
Q

What is the definition of an organ?

A

A group of tissues that work together to perform a certain function

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5
Q

In which organ does gas exchange take place?

A

Lungs

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6
Q

Name the organ system in the image

A

Circulatory system

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7
Q

Name the organ system in the image

A

Nervous system

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8
Q

Name the organ system in the image

A

Skeletal system

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9
Q

Name the organ system in the image

A

Digestive system

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10
Q

Name the organ system in the image

A

Respiratory System

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11
Q

Name the organ system in the image

A

Urinary system

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12
Q

Name the organ system in the image

A

Reproductive systems

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13
Q

Name part C in the image

A

Trachea (wind pipe)

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14
Q

Name the tubes labelled part D in the image

A

bronchi

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15
Q

Name the tubes labelled part G in the image

A

bronchioles

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16
Q

Name the air sacs labelled F in the image

A

alveoli

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17
Q

Name part H in the image

A

diaphragm

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18
Q

In what three ways are the alveoli adapted for gas exchange?

A

1) Moist, thin walls
2) Close network of blood vessels
3) Large surface area

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19
Q

In what order does air travel through these body parts when we breathe in?
“bronchioles”, “bronchus”, “alveoli”, “trachea”

A

trachea –> bronchus –> bronchioles –> alveoli

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20
Q

What is the scientific word for ‘breathe in’?

A

inhale

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21
Q

What is the scientific word for ‘breathe out’

A

exhale

22
Q

Complete the sentence…

The air we breathe out has _____ oxygen than the air we breathe in

A

less

23
Q

Complete the sentence…

The air we breathe out has _____ carbon dioxide than the air we breathe in

A

more

24
Q

The air we breathe in contains approximately 21% of what gas?

A

oxygen

25
Q

The air we breathe in contains approximately 0.04% of what gas?

A

carbon dioxide

26
Q

The air we breathe in contains approximately 80% of what gas?

A

Nitrogen

27
Q

In what direction does the diaphragm move when you breathe in?

A

it moves down

28
Q

In what direction does the diaphragm move when you breathe out?

A

it moves up

29
Q

What happens to the volume inside your chest when you breathe in?

A

It increases

30
Q

What are the four main functions of the skeleton?

A

1) support the body
2) protect organs
3) movement
4) make blood cells

31
Q

Where in your bones are blood cells made?

A

Bone marrow

32
Q

What are the three types of joints called?

A

1) hinge
2) ball and socket
3) fixed

33
Q

Name the tissue that covers the end of bones to stop them rubbing together

A

cartilage

34
Q

Name the tissue that joins bone to bone

A

ligament

35
Q

Why is there fluid in some joints?

A

To reduce friction and allow the bones to move freely

36
Q

Name the tissue that attaches muscle to bone

A

tendon

37
Q

What do you call a pair of muscles that work together to allow movement?

A

Antagonistic muscles

38
Q

In order to bend the arm, if the bicep contracts, what does the tricep do?

A

relax

39
Q

Name the three main organs in plants

A

1) stem
2) leaf
3) root

40
Q

What is the function of the stem in a plant?

A

To support the leaves and flowers

41
Q

What is the function of the leaves in a plant?

A

To absorb light

42
Q

What is the function of the roots of a plant?

A

To absorb water and minerals

43
Q

Give an example of a hinge joint

A

elbow or knee

44
Q

Give an example of a ball and socket joint

A

shoulder or hip

45
Q

What is the scientific word for the thigh bone?

A

femur

46
Q

What is the scientific word for the backbone?

A

spine

47
Q

What is the scientific word for the air sacs?

A

Alveoli

48
Q

What is the scientific word for the windpipe?

A

Trachea

49
Q

Name the process that takes place in cells that uses up oxygen and releases carbon dioxide

A

respiration

50
Q

Name three different types of tissue

A

Examples include:

  • connective
  • muscle
  • bone

Year 8 (12 decks)

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