Skeletal and Muscle Systems
Name _________________________________
Chapter 17, Sections 1 and 2 Reinforcement
Date ________________________ Period ____
Directions: Use the clues below to complete the crossword puzzle.
cardiac
smooth
immovable
osteoblast
joint
periosteum
Across
3. Kind of muscle that moves bones
6. Kind of muscle found only in the heart
8. Bone-forming cell
9. Kind of muscle found only in the intestines,
bladder, blood vessels, and other internal organs
ligament
skeletal
marrow
cartilage
Down
1. Tight-fitting membrane that covers the surface
of the bone
2. Substance in the center of the cavities of long
bones
4. Tough band of tissue that holds bones together
at joints
10. Type of joint with little or no movement
5. Smooth, slippery, thick layer of tissue that
covers the ends of bones
7. Where two or more bones meet
Directions: Study the illustrations. Then label each one using the correct term from the list.
pivot joint
ball-and-socket joint hinge joint
gliding joint
Directions: Describe each type of joint.
5. pivot joint: ________________________________________________________________
6. ball-and-socket joint: ________________________________________________________
7. hinge joint: ________________________________________________________________
8. gliding joint: _______________________________________________________________
Directions: List the five major functions of the skeletal system.
9. __________________________________________________________________________
10. _________________________________________________________________________
11. _________________________________________________________________________
12.__________________________________________________________________________
13.__________________________________________________________________________
Directions: Think of the type of muscle associated with each of the following body parts. In the
space provided, write the name of the type of muscle associated with that body part. Also tell whether
that muscle is voluntary or involuntary.
1. thigh: _____________________________________________________________________
2. upper arm: _________________________________________________________________
3. intestine: __________________________________________________________________
4. heart: _____________________________________________________________________
5. calf: ______________________________________________________________________
6. stomach: __________________________________________________________________
7. hand: _____________________________________________________________________
8. blood vessels:_______________________________________________________________
9. uterus:_____________________________________________________________________
10. neck: _____________________________________________________________________
Directions: The two illustrations show an ankle bending. Label the second illustration, showing
which muscle contracts and which muscle relaxes.
12. About how many muscles are in the body? __________________
13. How do muscles produce mechanical energy?___________________________________________
__________________________________________________________________________________
14. What happens when the supply of energy-rich molecules in a muscle is used up? ______________
__________________________________________________________________________________