The Anatomy and Physiology of Animals/Skeleton Worksheet

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Chapter 6 The Skeleton

1. Add the following labels to the diagrams of the long bone below.

a) Epiphysis;
b) Shaft;
c) Compact bone;
d) Spongy bone;
e) Articular surface;
f) Red marrow;
g) Yellow marrow;

Image:Long bone external features.JPG

Image:LS long bone.JPG

2. Add the following labels to the diagram of the vertebra shown below:

h) Spinous process
i) Transverse process
j) Body of vertebra
k) Neural (central) canal

Image:Vertebra unlabelled.JPG

3. Add the following labels to the diagram of the dog skeleton shown below:

l) Atlas vertebra
m) Cervical vertebrae
n) Lumbar vertebrae
o) Sacrum
p) Thoracic vertebrae
q) Scapula
r) Mandible
s) Tibia
t) Fibula
u) Femur
v) Carpals
w) Metacarpals
x) Tarsals
y) Metatarsals
z) Hip bone or pelvis
aa) Humerus
bb) Radius
cc) Ulna
dd) Ribs
ee) Sternum

Image:Unlabelled dog skeleton from wikipedia.JPG

4. Cross out the statement(s) that are NOT true.

The skeleton:
  • supports and protects the organs of the body
  • provides a means of locomotion
  • grows throughout the life of the animal
  • helps keep the level of calcium ions in the body constant
  • develops from the cartilage laid down in the fetus

5. True or False. If false indicate the correct answer.

  • The elbow joint is a synovial joint
  • The patella is a compact bone
  • The joints in the skull are fixed (immovable joints)
  • Unguligrade locomotion is walking on the toenails or hoofs
  • Flexion means increasing the angle between two bones
  • The joint between the axis and the atlas is a hinge joint
  • The articular surface of a joint is covered with spongy bone
  • Ligaments join two bones together at a joint
  • Plantigrade locomotion is walking on the digits only.
  • The hip joint is a hinge joint.

Worksheet Answers

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