Lesson 2 - Bones, Muscles and Skin
Name: ______________________ Date: ____________
Write the letter of the matching definition next to each term.
1. posture
A. A bully employed as a thug or bodyguard
2. joint
B. The point of connection between two bones or elements of a skeleton
3. bone marrow
C. The arrangement of the body and its limbs
4. epidermis
D. A white metallic element that burns with a brilliant light
5. dermis
E. Exercise designed to extend the limbs and muscles to their full extent
6. bone
F. Controlled by the autonomic nervous system
7. skeletal
G. Physical activity that keeps you fit
8. calcium
H. A muscle of the thigh that extends the leg
9. muscle
I. The fatty network of connective tissue that fills the cavities of ___
10. voluntary
J. The outer layer of the skin covering the exterior body surface of vertebrates
11. involuntary
K. The bony skeleton of the head of vertebrates
12. exercise
L. Any of the 12 pairs of curved arches of bone extending from the spine to or toward the sternum (plural)
13. stretch
M. Composition for a solo instrument and not a regular part of a religious service or musical
14. skull
N. Young of domestic cattle
15. ribs
O. Any skeletal muscle having two origins
16. biceps
P. The deep vascular inner layer of the skin
17. triceps
Q. One of the tendons at the back of the knee
18. hamstring
R. Of or relating to or forming or attached to a ___
19. quadriceps
S. Rigid connective tissue that makes up the skeleton of vertebrates
20. calf
T. Any skeletal muscle having three origins