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Science 5 LT2 Revision

Total questions: 67

Worksheet time: 50mins

Name
Class
Date
1.

Rigid framework of bones is called ----

a)

muscular system

b)

Skeletal System

2.

Skeletal System works in co ordination with ----

a)

digestive system

b)

muscular system

3.

The (a)   is the bony framework of the head.

4.
One function of the skeletal system is _______ especially in regards to the vital organs, such as the brain, heart, and lungs.
a)
Protection
b)
Storage
c)
Synthesis
d)
Movement
5.
What is the place where two bones meet?
a)
hinge
b)
bone
c)
spot
d)
joint
6.

How many bones are in the adult human body?

a)

260

b)

280

c)

208

d)

206

7.

Our skeleton is ...

a)

soft

b)

strong

c)

flexible

d)

protective

8.

The ... form our skeleton

a)

muscles

b)

bones

9.

A ... stops two bones from rubbing together

a)

cartilage

b)

ligaments

c)

tendons

10.

The skull protects our ...

a)

brain

b)

heart

c)

lungs

11.

The ribcage protects our ...

a)

brain

b)

heart

c)

lungs

12.

Our spine is also called ...

a)

backbone

b)

ribcage

c)

vertebrae

13.

Our blood is made in our...

a)

bone marrow

b)

blood vessels

14.

... helps keep our bones strong and hard

a)

cartilage

b)

calcium

15.
What are the 2 types of skeletons?
a)
spongy bone and compact bone
b)
marrow and blood vessels
c)
axial and appendicular
16.

Which of the following best describes the job of the skeletal system?

a)

Gives shape and support to the body.

b)

Sends messages from the stomach to the brain.

c)

Brings in and breaks down all nutrients for the body

17.

Which system of the human body provides protection to most of the major organs?

a)

skeletal system

b)

circulatory system

c)

respiratory system

d)

muscular system

18.

What part of the skeleton protects the heart, lungs, and stomach?

a)

rib cage

b)

femur

c)

skull

d)

spine

19.
What is our skeleton made up of?
a)
Bones
b)
Intestines
c)
Lungs
d)
Heart
20.
What food group has the most calcium to help our bones?
a)
Protein
b)
Vegetables
c)
Dairy
d)
Grains
21.
Does exercise help our bones grow strong?
a)
Yes
b)
No
22.

Bones are living things.

a)

True

b)

False

23.

Bones can grow back together if they get broken.

a)

True

b)

False

24.
The only bone in the human body that can not heal itself?
a)
Clavicle
b)
Sternum
c)
Teeth
d)
Knee Cap
25.

Where is the largest bone in the body?

a)

Finger

b)

Leg

c)

Arm

d)

Spine

26.
What connects bones together to help us move?
a)
Ribs
b)
Joints
c)
Toes
d)
Nerves
27.

Which of the following is NOT a function of the skeletal system?

a)

Helps your body move

b)

Send oxygen to the body

c)

Protect your organs

d)

Give your body shape and structure

28.
Which body system absorbs oxygen from the surrounding air?
a)
Circulatory system
b)
Digestive system
c)
Muscular system
d)
Respiratory system
29.
In our lungs, _________ is removed and ________ is absorbed. 
a)
oxygen ... carbon dioxide 
b)
carbon dioxide ... oxygen
c)
oxygen ... nitrogen 
d)
carbon dioxide ... nitrogen
30.
What transports oxygen from our lungs to other parts of the body? 
a)
air tubes
b)
gills
c)
blood 
d)
stomata
31.

When we breathe, we take in ....

a)

nitrogen

b)

carbon dioxide

c)

oxygen

d)

hydrogen

32.

The respiratory organ in the picture is called ....

a)

lung

b)

trachea

c)

bronchioles

d)

bronchi

33.

The organs in letter a and b are ....

a)

pharynx, trachea

b)

pharynx, larynx

c)

trachea, bronchi

d)

larynx, trachea

34.

A place to exchange oxygen and carbon dioxide is ....

a)

bronchus

b)

alveoli

c)

lung

d)

bronchi

35.

Why is the left lung slightly smaller than the right lung ?

a)

to give space for the heart

b)

to breathe easily

c)

to give space for the stomach

d)

to swallow easily

36.

The other name for trachea is ....

a)

food pipe

b)

wind pipe

c)

lung

d)

heart

37.

The diaphragm is in letter ....

a)

a

b)

b

c)

c

d)

d

e)

e

38.

The lung is in letter ....

a)

a

b)

b

c)

c

d)

d

e)

e

39.

What do we let out when we exhale?

a)

oxygen

b)

Carbon dioxide

c)

lungs

40.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
41.

Diagram shows the breathing organ of an animal. Which animal uses this organ for breathing?

a)

Cat

b)

Tadpole

c)

Grasshopper

d)

Frog

42.

The figure shows two animals. Both animals breathe using....

a)

gills

b)

spiracle

c)

lungs

d)

moist skin

43.

Which animal has two breathing organs?

a)
b)
c)
d)
44.

Which pair of animals have the same respiratory organs?

a)

cat and fish

b)

dolphin and stingray

c)

cow and worm

d)

crocodile and snake

45.

What is the breathing organ of animal in the picture?

a)

Gills

b)

Lungs

c)

Moist skin

d)

Spiracle

46.

newt has two organ breathing which are ............... and ..............

a)

lungs and gills

b)

spiracle and moist skin

c)

lungs and moist skin

d)

lungs and spiracle

47.

The picture shows a cockroach is soaked in water.Why the cockroach is still alive after 2 hours?

a)

It breathe using gills

b)

it's breathing organ is located at the abdomen not at it's head

c)

it has two breathing organ

48.

Which is NOT a respiratory structure found in animals?

a)

Lungs

b)

Gills

c)

Skin

d)

Fur

49.

Earthworms breathe through their _____.

a)

gills

b)

skin

c)

spiracles

d)

lungs

50.

What is the breathing organ for this animal?

a)

lungs

b)

spiracle

c)

gills

d)

moist skin

51.

What part of the respiratory system is this?

a)

Trachea

b)

Lungs

c)

Nose

d)

Larynx

52.

Choose a disease of the respiratory system!

Escoge una enfermedad del Sistema Respiratorio

a)

Diarrhea

b)

Bread

c)

Asthma

d)

Laryngitis

53.

What are the movements of the breath?

Cuales son los movimientos de la respiración?

a)

Insparation and Exhalation

b)

Up and Down

c)

Lungs and Larynx

d)

Esta no es

54.

What bone is highlighted?

a)

Ribs

b)

Vertebrae

c)

Clavicle

d)

Femur

55.

We breathe in carbon dioxide and breathe out oxygen

a)

True

b)

False

56.

NUMBER 1:

a)

lungs

b)

pharynx

c)

mouth

d)

alveoli

57.

NUMBER 3:

a)

Pharynx

b)

Trachea

c)

Bronchi

d)

Alveoli

58.

When we breath in the diaphragm...

a)

Contracts

b)

Relaxes

59.

Which is the main organ of the respiratory system?

a)

heart

b)

lungs

c)

kidney

d)

brain

60.

Which is image shows the main organ of the respiratory system?

a)
b)
c)
d)
61.

The respiratory organ in the picture is called ....

a)

lung

b)

trachea

c)

bronchioles

d)

bronchi

62.

The Main tube that takes air to your lungs

a)

bronchi

b)

bronchioles

c)

trachea

d)

air sacs

63.

Oxygen is transferred in the air sacs THROUGH THE

a)

capillaries

b)

bronchi

c)

Lungs

64.

Large, dome like muscle under your lungs

a)

Lungs

b)

Trachea

c)

Diaphragam

d)

Alveoli

65.
Which part of the Respiratory System collects air from the environment & heats/moistens the air before entering the body?
a)
lungs
b)
nose
c)
heart
d)
brain
66.

What is the site of gas exchange?

a)

alveoli

b)

nose

c)

lung

d)

bronchi

67.

A chamber behind the nose and mouth that leads to the trachea and is part of the digestive system and respiratory system.

a)

pharynx

b)

trachea

c)

epiglottis

d)

larynx

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