Wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Introduction to Skeletal System

Total questions: 21

Worksheet time: 16mins

Name
Class
Date
1.

The human adult skeleton has approximately how many bones?

a)

106

b)

166

c)

206

d)

266

2.

What type of tissue is bone?

a)

epithelial tissue

b)

connective tissue

c)

muscle tissue

d)

nervous tissue

3.

Articular cartilage forms the joint surface on what part of the long bone?

a)

epiphysis

b)

diaphysis

c)

marrow

d)

spongy bone

4.

The thyroid and parathyroid glands secrete hormones that continuously absorb and release what mineral?

a)

calcium

b)

sodium

c)

oxygen

d)

phosphorus

5.

What attaches bone to bone?

a)

cartiilage

b)

tendons

c)

ligaments

d)

muscles

6.

Where is fat stored in a long bone?

a)

diaphysis

b)

red bone marrow

c)

yellow bone marrow

d)

periosteum

7.

Where are red blood cells made in a long bone?

a)

diaphysis

b)

red bone marrow

c)

yellow bone marrow

d)

periosteum

8.

Osteocytes are

a)

mature bone cells.

b)

very active when blood calcium levels are low.

c)

bone building cells.

d)

cell that breaks down bone.

9.

Osteoclasts are

a)

mature bone cells.

b)

very active when blood calcium levels are low.

c)

bone building cells.

d)

cells that break down bone.

10.

Osteoblasts are

a)

mature bone cells.

b)

very active when blood calcium levels are low.

c)

bone building cells.

d)

cells that break down bone.

11.

Which of the following are functions of the skeleton? Check all that apply.

a)

shape and support

b)

protection

c)

produce red blood cells

d)

stores calcium

e)

point of attachment for muscles

12.

A?

a)

epiphysis

b)

diaphysis

c)

epiphyseal line(s)

d)

articular cartilage

13.

B?

a)

epiphysis

b)

diaphysis

c)

epiphyseal line(s)

d)

articular cartilage

14.

H?

a)

yellow bone marrow

b)

medullary canal

c)

compact bone

d)

periosteum

15.

Bones that are longer than they are wide. (Ex. femur)

a)

long

b)

short

c)

flat

d)

irregular

e)

sesamoid

16.

A small, round bone embedded in a tendon. (Ex. patella)

a)

long

b)

short

c)

flat

d)

irregular

e)

sesamoid

17.

Made up of a layer of spongy bone between two thin layers of compact bone. Thin. (Ex. skull and ribs)

a)

long

b)

short

c)

flat

d)

irregular

e)

sesamoid

18.

Bones that are approximately equal in length, width, and thickness. (Ex. carpals)

a)

long

b)

short

c)

flat

d)

irregular

e)

sesamoid

19.

Identify the structures of microscopic bone.

20.

Match the following

a)

mature bone cell

1.

osteocyte

b)

bone building cell

2.

osteoblasts

c)

bone cell that breaks down bone

3.

osteoclasts

21.

Organize these options into the right categoriesd

Categorize the following

sternum

clavicle

vertebrae

carpals

tarsals

mandible

femur

humerus

tibia

fibula

parietal

pelvic

ribs

FLAT
LONG
IRREGULAR
SHORT