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3rd Grade Body Systems *GREAT study tool*

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

Describe our bones

a)

Bones are hard and smooth on the outside and soft and spongy on the inside.

b)

produces the white and red blood cells and is located in the center of a bone.

c)

Skin controls your body temperature

d)

be a blob on the ground and wouldn't be able to move

2.

Bone Marrow

a)

produces the white and red blood cells and is located in the center of a bone.

b)

bones held together at a joint by tissues

c)

Muscles that work without thought or action

d)

The area where the bone meets

3.

Bones top growing at age...

a)

25

b)

26

c)

35

d)

15

4.

Ligament

a)

bones held together at a joint by tissues

b)

The area where the bones meet

c)

give your body shape and protecting your organs

d)

produces the white and red bloods cells and is located in the center of a bone

5.

Joint

a)

The area where the bone meets

b)

bones held together at a joint by tissues

c)

produces the white and red blood cells and is located in the center of a bone

d)

fuse together

6.

Involuntary muscles

a)

Muscles that work without thought or action

b)

Muscles controlled by our thoughts.

c)

Muscles that work with thought or action

d)

Muscles that does not work at all

7.

Voluntary Muscle

a)

Muscles controlled by our thoughts

b)

Muscles that work without thought or action

c)

Muscles that are not controlled by our thoughts

d)

Muscles that does not work at all

8.

Babies have 300 bones because...

a)

they fuse together

b)

they seperate

c)

they fall apart

d)

they are glued together

9.

Skin

a)

the largest organ in your body

b)

the smallest organ in your body

c)

the most useless organ in your body

d)

the best organ in your body

10.

Nerve

a)

allows you to feel pain and itch

b)

allows you to feel emotions

c)

allows you to feel hunger

d)

allows you to breathe air

11.

Two functions of the sketletal system

a)

gives your body shape and protecting your organs

b)

makes you a jellyfish

c)

gives your body formlessness and harming your organs

d)

gives your body oxygen and help digest food

12.

If we didn't have bones, we would...

a)

be a blob. on the floor. all sad. and lonely. not being able to move. (T-T)

b)

magically turn into a jellyfish

c)

nothing would happen

d)

i would, stay the same

13.

Skin is important because...

a)

controls body temperature

b)

controls the time you go potty

c)

controls your breathing

d)

controls your emotions

14.

Bone

a)

hard tissue that makes up the skeleton

b)

hard tissue that makes up paper

c)

soft tissue that makes up the skeleton

d)

soft jelly-like substance

15.

Tissue

a)

cells that work together to perform a specific job

b)

bones that work together to perform a specific job

c)

muscles that work together to perform a specific job

d)

nerves that work together to perform a specific job

16.

[bone] Marrow

a)

soft jelly-like substance inside bones

b)

hard jelly-like substance inside bones

c)

soft jelly-like substance inside cells

d)

soft jelly-like substance inside muscles

17.

Epidermis

a)

the part of the skin on the outside of your body; it's the part you can see

b)

where blood vessels and nerves are at work

c)

mostly made of fat; where your hair grows from

18.

Dermis

a)

Where blood vessels and nerves are at work

b)

the part of the skin on the outside of your body; it's the part you can see

c)

mostly made of fat; where your hair grows from

19.

Hypodermis

a)

mostly made of fat; where your hair grows from

b)

where blood vessels and nerves are at work

c)

the part of the skin on the outside of your body; it's the part you can see

20.

Enzymes in the skin that gives it color

a)

Melanin

b)

Hypdermis

c)

Dermis

d)

Epidermis

21.

Brain

a)

organ that controls your entire body

b)

organ that controls your breathing

c)

organ that controls your digesting process

d)

organ that controls your ability to hear

22.

Organ

a)

group of body tissue that performs a task

b)

group of cells that form into tissues

c)

group of body organs that form into systems

d)

group of instruments that form into groups

23.

Muscle

a)

part of your body that is used for movement

b)

part of your body that is used for support

c)

part of your body that is used for breathing

d)

part of your body that is used for digesting

24.

Liver

a)

organ that stores nutrients for your body and cleans your blood

b)

group of body tissue that performs a task

c)

part of your body that is for movement

d)

large bird that cannot fly

25.

regulate means "soaks in"

a)

True

b)

False

26.

regulates means "controls"

a)

True

b)

False

27.

Mark all that is part of your skin:

a)

epidermis

b)

dermis

c)

hypodermis

d)

liver

28.

What is your body's heaviest organ?

a)

Brain

b)

Heart

c)

Liver

d)

Skin

29.

Mark all that is part of the muscular system's functions:

a)

maintain posture

b)

blood pumping

c)

keeping food moving

d)

controls your body

30.

Is your heart voluntary or involuntary?

a)

Voluntary

b)

Involuntary

31.

Are legs voluntary or involuntary?

a)

Voluntary

b)

Involuntary

32.

Mark the all types of muscles:

a)

Skeletal

b)

Smooth

c)

Cardiac

d)

Animalia

e)

Protist

33.

Skeletal Muscles

a)

muscles used to move around, cover and move the bones

b)

do not connect to bones, control organs

c)

always working, pumps heart and blood throughout body

34.

Smooth Muscles

a)

do not connect to bones, controls organs, involuntary

b)

muscles used to move around, cover and move the bones, voluntary

c)

always working in the body, pumps heat and blood throughout body

35.

Cardiac Muscles

a)

always working, pumps heat and blood throughout body

b)

do not connect to bones, muscles control organs

c)

muscles used to move around, cover and move bones

36.

What happens when muscles get a signal to move?

a)

they expand or contract

b)

they hide or show

c)

they combine or seperate

d)

they fold or unfold

37.

Muscle Pair

a)

allow they move back and forth when muscles expand or contract

b)

this button is the wrong answer

38.

What does fuse mean?

a)

combine; grow together

b)

gem dancing

c)

gluing together

d)

separating

39.

How many main types of bones make up the human skeleton?

a)

1

b)

2

c)

3

d)

4

40.

Long Bones

a)

bones that are longer than they are wide

b)

bones that are wide as they are long

c)

bones that are large, strong, that protect organs

d)

bones that do not fit into any other category of bone

41.

Short bones

a)

wide as they are long

b)

large, strong, protects organs

c)

longer as they are wide

d)

bones that do not fit into any other category of bone

42.

Flat Bones

a)

large, strong, protects the organs, provide a place for muscles to attach

b)

longer than they are wide

c)

wide as they are long

d)

lkaglkel li

43.

Irregular bones

a)

bones that do not fit into any other category of bone

b)

longer than they are wide

c)

wide as they are long

d)

flat bones

44.

Tendons

a)

connect muscles to bones

b)

the area where the bones meet

45.

Cartilage

a)

keeps bones from rubbing together

b)

connect muscles to bones