Do%20now

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Do now

1. What is the energy of motion?
2. What is a force?
3. What are some ways you think you can (retain) the
   information you learn in science?

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Announcements

• Please bring a 12 ounce water bottle for next
  class.

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Agenda

• Levels of organization activity
• Levels of organization notes
• Homeostasis notes
• Homeostasis lab

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Five levels of organization

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

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Five layers of organization

• Cells -gt tissues -gt organs -gt organ systems -gt
  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

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blood
Muscle tissue
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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/cellularlifeandgen
  etics/cellspecialization/

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Homeostasis

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

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Homeostasis Lab Table
Activity Pulse Rate
Resting
Slowing down our heart
Chair climbing 1 min
Chair climbing 2 min
Chair climbing 3 min
Resting 1 minute after
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Homeostasis lab

• Take your pulse
• Im going to be timing you for 10 seconds. Once
  those 10 seconds is up, youll be multiplying
  that number by 6.
• Record it into the table that we drew.

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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.

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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?vNHwt-IOQ1nEfeature
  relmfu

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Homeostasis lab continued

• Observe your neighbors physical changes.
• What happened when we elevated our heart rates?