Human Systems. Create Flow Chart Graphic Organizer. Levels of Organization. Nerve Cell. Tissue. organ. System. Heading. Notes. Meanings Questions Main ideas Vocabulary. Copy this diagram in your notebooks. This is called Cornell Notes. Summary. Cell.
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Copy this diagram in your notebooks.
This is called
Are all cells the same?
Unicellular or multicellular
The cell is the basic unit of structure and function in all living things that keeps the organism
Connective---blood, bone, fat,
Muscle---allows body to move,
moves blood and food
Nerve- - - brain, spinal cord,
senses—hear, smell, think
line digestive system
You write a summary of this slide
Tissue is the second level of organization. There are four basic types of tissues that do different jobs, connective, muscle, nerve and epithelial.
Composed of different tissues working together to perform a specific function.
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The third level of organization is the organ which is composed of different kinds of tissues working together to perform a function.
Group of different organs working together to accomplish a specific task
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The fourth level of organization is the organ system. The organ system consists of different organs working together to perform a task. For example, the digestive system is made up of organs like the stomach, small intestine, pancreas etc. that break down food for absorption by the body.
Bones-made from elements phosphorus and calcium
206 bones in average human. Newborns have more (some have not fused yet!)
Smallest bones are in the ear—Hammer, anvil, and stirrup
Largest bone is the femur (thigh bone)
5 major functions
unique structure for each organism-skeleton provides the framework while supporting the body and the organs within
Muscles are attached to the skeleton. The muscles contract, pulling on the bones. The attachment to the bone allows the movement or contraction of the muscles. Just like a rubber band cannot contract unless it is attached at both ends.
2.upper arm 5.Backbone 7.Palm 9.Ribs 11. Collarbone 13. Skull 16. hips 17. shoulder blade
1. breastbone 3. Arch 4. Thigh 6. Ankle 8. Lower leg large bone
9. lower arm near thumb 10. Lower arm near little finger 12. Kneecap 13. Wrist
14. lower leg thin bone 15. toes