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