Skeletal System

Question 1

The mammalian skeletal system is…..

Answer 1

appendicular skeleton, axial skeleton

Question 2

Describe the ‘scapula’. (forelimb, appendicular)

Answer 2

• shoulder blade
• lies flat
• attached muscles hold the foreleg

Question 3

Describe the ‘clavicle’ (forelimb, appendicular)

Answer 3

• collar bone

- lies across the front of the chest, between shoulder and the breast bone (not all animals have this).

Question 4

Describe the ‘humerus’ (forelimb, appendicular)

Answer 4

• long bone

- lies between shoulder and elbow joints

Question 5

Describe the ‘radius’ & ‘ulna’ (forelimb, appendicular)

Answer 5

• 2 bones (ulna = narrow bone // radius = rectangular bone).

- Runs elbow to wrist.

Question 6

Describe the ‘Carpal bone’ (forelimb, appendicular)

Answer 6

• make up the wrist

- two bones

Question 7

Describe the ‘metacarpal bone’ (forelimb, appendicular)

Answer 7

• wrist joint to paw

Question 8

Describe the ‘phalanges’ (forelimb, appendicular)

Answer 8

• small bones, make up digits

- number of phalanges depends on species

Question 9

Describe the ‘pelvis’ (hindlimb, appendicular)

Answer 9

• top of animals hind legs

- made up of 4 bones fused together

Question 10

Describe the ‘femur’ (hindlimb, appendicular)

Answer 10

• hip bone

- runs down the thigh (hip to knee)