Holt 33 Organization

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Holt 3-3Organization
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Benefits of Being Multicellular1) grow
bigger2) longer life3) specialization cells
doing certain jobs.
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Levels of organization1) cell smallest level
(1)
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2) tissue many of the same (1) type of cells
working together to do a job. (muscle, skin)
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3) organ Different types of tissues working
together to carry out a certain job (heart,
liver)
brain
Voice box
lungs
heart
liver
spleen
stomach
kidneys
gallbladder
pancreas
Large intestine
Small intestine
skin
appendix
bladder
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4) Organ systems Made of different organs
working together to carry out a certain job.
(nervous system, respiratory)
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5) organism made of all the systems working
together.
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Structure how something is made.Function
what something does.