Science combined notes St augustines colege gr 8
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Created by:
CupcakeQueen999 on December 6, 2011
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ms dorsett grade 8 sac only.....
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15 terms
Terms | Definitions |
|---|---|
 What are the 4 functions of the Skeletal System? | 1. Protect Vital Organs 2. Help to form Blood Cells 3. Store Minerals 4. Works with the Muscular System to make movement |
| How many bones make up the Skeletal System? | 206 |
| The Human Skeleton is divided into __ parts. | 3 |
| How many types of bones do we have? | 4 - Long bones, Short bones, Flat bones and Irregular bones |
| What are the 2 forms of bones? How are they different? | Compact and Spongy bone - They are different in that Compact bone is dense and hard; and Spongy bone is inside compact bone and is very porous. |
| What is a Joint? | A joint is a place where two bones come together. |
| Name and Describe the three types of joints | - Slightly Movable : connected by cartilage - Freely movable : bone that you can move easily - Immovable : bones that are in very close contact |
| - Ball in Socket : the ball shaped end fits into the cup shaped end - Hinge : a joint that allows flexibility - Gliding : flat or slightly flat surfaces that move against each other allowing sliding motions - Pivot : grounded surfaces of bone that fit into a ring | name and descibe the types of freely movable joints |
| What are ribs? | Ribs are thin, flat, curved bones that form a cage around the organ of the upper body. |
| Name and Describe the 3 types of Ribs. | -True ribs : the first 7 bones - False ribs : these 3 pairs of bone are slightly shorter than the true ribs - Floating ribs : the last 2 set of rib bones |
| What is a cell? | a small unit that can form all life processes |
| Name the 4 systems | Nervous System Digestive System Respiratory System Skeletal System |
| What is a tissue? | a group of cells that work together |
| What is a organ? | a group of tissues working together |
| what are the uses of the 4 systems? | Nervous System : receives and sends electrical messages. Digestive System : break down food Respiratory System : absorbs oxygen and releases carbon dioxide Skeletal System : a frame to support and protect you body parts |
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