Cell Biology. Organization of Life. Skeletal System.
Students be able to explain how bones and muscles work together to provide a structural framework for movement. (5.c)
Text of Learning Exercise:
Teacher will explain to the class that every kind of meat they consume are actually an animal's muscles. She will go on to explain how muscles move bones and talk about the three kinds of muscles. Students will then do the following assignments.
A. Fill in the blanks.
1. The muscular system has___________ kinds of muscles.
2. Muscles are made up of ___________.
3. When a muscle works it gets __________.
4. Muscles are connected to bones by _________.
5. The bones of the skeleton are moved by __________.
B. Answer True or False.
1. Muscles that move bones are the same as heart muscle.
2. Tendons connect muscles to bones.
Tendons and ligaments do the same jobs.
3.All muscles are made of cells.
C. Draw lines to complete the sentences.
1.Tendons / connect bones to bones
2.Ligaments / three kinds of muscles
3.Muscles/ connect muscles to bones
4.The muscular system has/ move bones
D.Answer the questions.
1.What are the thre kinds of muscles?
2. What are muscles made of?
3. Which muscles can you control?
4. How are muscles connected to bones?
5. What happen to a muscle when it stops working?
E. Write two ways that smooth muscle and heart muscles are diffent from skeletal muscles.
F. 1. What are the two jobs that smooth muscles do?
2. Which muscles are called voluntary muscles?
3. What do heart muscles do?
Test 1 (70 points)
1. What is the organization of life? (2 points each)
2. Give two examples each for the following. (2 points each)
Ball and socket joint
3. Write true of false for the following:
a. The adult skeleton has over 200 bones
b. Bones are hard all the way through
c. The bones in your head are called ribs.
d. Your arms and lega have long bones.
e. Your spine has sliding joints that let you touch your toes.
4. What can cartilage do that bones cannot do? (2 points)
5. What is a lever? (3 points)
6. Give one example each for the following. (2 points each)
First class lever, second class lever, third class lever