Name ________________ Pd: _____ Unit B: Activity 16 Support Systems: Bones, Joints, and Muscles
Part C: Complete the following reading to learn more about muscles and joints
Bone Function:
Your bones protect your internal organs. For example:
1. ______________________________________________________________________________
2. ______________________________________________________________________________
3. _____________________________________________________________________________
Some other functions of your bones include:
1.
_____________________________________________________________________________
2. ______________________________________________________________________________
Bone Structure:
A bone is
_____________________________________________________________________________________
Bone Marrow produces these three things (describe them):
1. ______________________________________________________________________________
2. ______________________________________________________________________________
3. ______________________________________________________________________________
List and describe the five types of bones in the body:
Bone type
Examples
Illustration
Label the types of bones from the previous diagram on the skeletal diagram below.
Bone Growth:
At birth you were born with more than _____________ bones which were made of _________________
a softer tissue. An example would include ________________. As you grew these bones fused
together leaving you with _____________ bones as an adult. About half of your bones are found in your
_________________ and _____________. Most bones continue to grow until you are _____________.
Importance of Calcium:
What is calcium?
_____________________________________________________________________________________
What is osteoporosis?
_____________________________________________________________________________________
Muscles:
Muscle tissue is made up of ___________________ which are _______________________________.
What triggers a muscle contract? _________________________________________________________
Explain how a pair of muscles works together (or draw a picture)
_____________________________________________________________________________________
Do muscles attach directly to the bone? Explain.
_____________________________________________________________________________________
What is the difference between ligaments and tendons?
____________________________________________________________________________________
How many muscles are in the body? _______________________________________________________
List and describe the three types of muscles:
1.
______________________________________________________________________________
2. ______________________________________________________________________________
3. ______________________________________________________________________________
Joints:
What is a joint?
_____________________________________________________________________________________
What makes a joint stable?
_____________________________________________________________________________________
List the types of joints below:
Joint type
Type of motion
Found in the body
Illustration
Muscles, Joints and Bones Working Together:
Draw a picture in the space below to show how your arm acts like a lever (label all parts).
The Musculoskeletal System:
Why is it called the Musculoskeletal System?
_____________________________________________________________________________________
What makes it up?
1.
________________
2. ________________
3. ________________
4. ________________
5. ________________