1. Movement is a major characteristic of animals. This movement is a result of contraction of _______________.

2. The ______________ helps transmit the movement.

3. A hard, jointed, external covering that encloses the muscles and organs of an organism; typical of many arthropods including insects is called ……………………..

4. _______________ skeletons consist of fluid-filled closed chambers.

5. ______________ skeleton Fluid-filled closed chambers that give support and shape to the body in organisms such as jellyfish and earthworms. No to be confused with the water-vascular system of echinoderms.

6. Internal pressures generated by muscle contractions cause ____________ as well as maintain the ____________ of the animals.

7. ________________ are characteristic of the Phylum Arthropoda.

8. Vertebrates have developed an internal mineralized (in most cases) endoskeleton composed of _______________ and/or ________________.

9. Muscles are on the outside / inside of the endoskeleton.

10. Cartilage and bone are types of __________ tissue.

11. Certain cells in the bones produce immune cells as well as important cellular components of the blood. (Ture / Flase).

12. Bone also helps regulate blood calcium levels, serving as a calcium sink. (Ture / Flase).

13. The vertebral column has ________ individual vertebrae separated from each other by a cartilage disk. (33/34/35/36)

14. The ___________ skeleton consists of the skull, vertebral column, and rib cage.

15. The _________ skeleton contains the bones of the appendages (limbs, wings, or flippers/fins), and the pectoral and pelvic girdles.

16. The human skull called _____________ has a number of individual bones tightly fitted together at immovable joints.

17. The arms and legs are part of the _______ skeleton.

18. The upper bones of the limbs are single: _______(arm) and _________ (leg).

19. Below an elbow joint, the limbs have a pair of bones ____ and _____ in the arms.

20. Below a knee, the limbs have a pair of bones ____ and _____ in legs.

21. The wrist joint is made of ________ .

22. The ankle joint in made of ____________ .

23. Metacarpals are found in ____________.

24. Metatarsals are found in ____________.

25. Limbs are connected to the rest of the skeleton by collections of bones known as _________.

26. Which type of joints allows back and forth motion?

a. Pivot
b. Hinge
c. Gliding
d. Ball and socket

27. Which type of joints allows circular motion?

a. Pivot
b. Hinge
c. Gliding
d. Ball and socket

28. A joint in which a bone rotates around another; a joint permitting only rotating movement.

a. Pivot
b. Hinge
c. Gliding
d. Fixed

29. A joint, the two pieces composing which turn round, with respect to each other, on a longitudinal pin or axis, as in a chain, to prevent twisting.

a. Pivot
b. Swivel
c. Gliding
d. Hinge

30. Which type of joints allows sliding movement between bones?

a. Pivot
b. Swivel
c. Gliding
d. Hinge

31. Which type of joints does not allow any movement?

a. Fixed
b. Pivot
c. Hinge
d. Swivel

32. Map the following in correct order


1. Muscle
2. Skeleton
3. Exoskeleton
4. Hydrostatic
5. Hydrostatic
6. Movement, shape
7. Exoskeletons
8. bone and/or cartilage
10. Connective
11. True
12. True
13. 33
14. Axial
15. Appendicular
16. Cranium ,
17. Appendicular
18. Humerus , femur
19. radius and ulna
20. tibia and fibula
21. Carpals
22. Tarsals.
23. Hang Fingers
24. Foot fingers
25. Girdles
26. b. Hinge
27. d
29. b
30. c
31. a
32. 1-b, 2-a, 3-c, 4-d, 5-a,6-d,7-e,8-a,9-a,10-e,11-f,12-e