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Warm-up

Warm-up. Do you think that all of our organs are made up of the same thing? Why? Do you think that muscles are made up of the same things as our intestines? Why?. Agenda. Levels of organization activity Levels of organization notes Homeostasis notes Homeostasis lab.

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Warm-up

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  1. Warm-up Do you think that all of our organs are made up of the same thing? Why? Do you think that muscles are made up of the same things as our intestines? Why?

  2. Agenda • Levels of organization activity • Levels of organization notes • Homeostasis notes • Homeostasis lab

  3. Five levels of organization • Each partner group is going to be given a zip lock baggies. • Inside that envelop are strips of paper with different parts of the human body. • You need to organize them from the least complex to the most complex.

  4. Five layers of organization • Cells -> tissues -> organs -> organ systems -> organisms • Tissue –group of cells that are structurally similar and perform the same function • Organ – a group of tissues that work together to form a specific function • Organ System – group of organs that work together to perform a specific function

  5. blood Muscle tissue

  6. Cell specialization • Do all cells do the same thing? • NO! Specialized cells perform specific jobs. • For example, a red blood cell carries oxygen to the lungs. • http://www.brainpop.com/science/cellularlifeandgenetics/cellspecialization/

  7. Homeostasis • The process which a living organism maintains a balanced internal environment to stay alive is called homeostasis.

  8. Homeostasis Lab Table

  9. Homeostasis lab • Take your pulse • I’m going to be timing you for 10 seconds. Once those 10 seconds is up, you’ll be multiplying that number by 6. • Record it into the table that we drew.

  10. Homeostasis lab continued • Think of something peaceful. • Resist the urge to giggle. • Take your pulse again this time. • Record it into the table that we drew.

  11. Homeostasis lab continued • Chair climbing • Using the beat of the metronome, you will be climbing on top of your chair to the beat. • Take your pulse, multiply it by six. • Record your heart rate. • Do this 2 more times. • http://www.youtube.com/watch?v=NHwt-IOQ1nE&feature=relmfu

  12. Homeostasis lab continued • Observe each others physical changes. • What happened when we elevated our heart rates?

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