Name
Name : _________________
Date: __________
Chapter 5 The Skeletal System – Intro Worksheet
1. Are bones considered to be living tissue or non-living structures deposited by living tissue?
_____________________________________
FUNCTION
2. List and describe the five main functions of the Skeletal System.
a) _____________________________________________________________________
b) _____________________________________________________________________
c) _____________________________________________________________________
d) _____________________________________________________________________
e) _____________________________________________________________________
CLASSIFYING BONES
3. For each bone picture below classify what type of bone is illustrated.
[pic] [pic]
Skull Bones : _________________ Femur : ___________________
[pic] [pic]
Vertebra : __________________ Hand Bones : ____________________
ANATOMY OF A LONG BONE (2 & 9 are different view of the same structure, so are 1 & 10)
4. Label the diagram below.
[pic]
5. Give a description of the function/role of each of the numbered structures from the long bone diagram.
Structure #1, 10 : ________________________________________________________
Structure #2, 9 : ________________________________________________________
Structure #5 : ___________________________________________________________
Structure # 8 : ___________________________________________________________
BONE vs. CARTILAGE
6. What are the two different textures that bone can have?
a) _______________________________ b) _____________________________
7. Are Trabeculae part of spongy bone, or dense/compact bone? ________________
8. Use the diagram below to answer the next five questions
[pic]
a) Is this a picture of dense/compact bone or spongy bone? ________________
b) About how many osteons are visible in this picture? _____________
c) What element makes up the main component of the osteon matrix? ____________
d) What is the name of the large black circles (two in picture)? __________________
e) What are bone cells (smaller black bands) called? _____________________
9. How does cartilage compare with bone? ___________________________________
________________________________________________________________________
10. What are cartilage cells called? ___________________________
BONE GROWTH
11. Other than size how else does the skeleton of an adult differ from the skeleton of an infant or fetus?
________________________________________________________________________
12. What is the difference between an osteoclast and an osteoblast? ______________
________________________________________________________________________
13. Why do athletes and dancers have stronger bones than most others? __________
________________________________________________________________________
[pic]
14. What is the difference between an epiphyseal plate and an epiphyseal line?
______________________________________________________________________
______________________________________________________________________
_______________________________________________________________________
OSTEOPOROSIS
15.What is osteoporosis? __________________________________________________
________________________________________________________________________
16. List some of the symptoms of osteoporosis. _______________________________
________________________________________________________________________
________________________________________________________________________
17. List two treatments for osteoporosis.
A) _____________________________________________________________________
B) _____________________________________________________________________
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