Skeletal System
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. bones
A. Hinge joint between the forearm and upper arm and the corresponding joint in the forelimb of
2. fracture
B. The fatty network of connective tissue that fills the cavities of bones
3. femur
C. Abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium
4. marrow
D. Rigid connective tissue that makes up the skeleton of vertebrates (plural)
5. osteoporosis
E. The activity of providing for or maintaining by supplying with money or necessities
6. casts
F. A joint that holds two parts together so that one can swing relative to the other
7. tendon
G. Breaking of hard tissue such as bone
8. immovable
H. A sheet or band of tough fibrous tissue connecting bones or cartilages or supporting muscles
9. protection
I. The activity of ___ someone or something
10. ligament
J. A small flat triangular bone in front of the knee that protects the knee joint
11. calcium
K. The actors in a play (plural)
12. support
L. A cord or band of inelastic tissue connecting a muscle with its bony attachment
13. cartilage
M. Tough elastic tissue
14. ribs
N. The longest and thickest bone of the human skeleton
15. pivot
O. Any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum (plural)
16. pelvis
P. The bony skeleton of the head of vertebrates
17. ankle
Q. Property consisting of houses and land
18. skull
R. A white metallic element that burns with a brilliant light
19. elbow
S. The person in a rank around whom the others wheel and maneuver
20. hinge
T. A gliding joint between the distal ends of the tibia and fibula and the proximal end of the talus
21. kneecap
U. The structure of the vertebrate skeleton supporting the lower limbs in humans and the hind limbs