Lesson 1 | Transport and Defense - Leon County Schools



Name Date Class

LESSON 1

The Skeletal System:

A. Purpose:

1. __________________________________________________________________________

2. __________________________________________________________________________

3. __________________________________________________________________________

B. Structures:

____________________________

____________________________

____________________________

____________________________

C. How it works:

1. The bones store ______________________. Calcium is required by the muscular system for muscle ______________________, and by the nervous system for ______________________.

2. Without your skeleton, your body would look and act more like a ______________________.

3. It provides ______________________ and ______________________ so you can stand and move.

4. Many bones protect soft vital ______________________. The ______________________ protects the brain. The ___________ ___________protects the lungs and heart.

5. The ______________________system works with the ______________________ system to provide movement. The ______________________ are attached to the ______________________.

6. There are two types of bone:

i. Compact bone is the hard ______________________ layer of bone.

ii. Spongy bone is the ______________________ region of bone that contains many tiny ______________________.

iii. Some bones also contain bone marrow, which is part of the ______________________ system and makes _________________________________ that ______________________the body.

7. ______________________ is the material ______________________ bones that keeps them from ______________________ together.

8. Your muscles are connected to your bones by ______________________.

9. ______________________ connect bones to other bones.

The Muscular System:

A. Purpose: ____________________________________________________________________

B. Structures:

____________________________________________

____________________________________________

____________________________________________

C. How it works:

1. There are ______________________ in your eyes, heart, stomach, and blood vessels.

2. Without ______________________, you would not be able to blink, write, talk, or run.

3. Skeletal muscles work with the skeletal system to provide ______________________.

4. Muscles ______________________and ______________________to move ______________________.

5. Cardiac muscle is only in the ______________________. It continually contracts and relaxes and moves ______________________ throughout your body.

6. Smooth muscle tissue is in organs such as the ______________________ and the ______________________.

7. ______________________ ______________________also have smooth muscle tissue.

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Lesson Outline

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