Transcript Cells - PBworks

Mr. Green
Is it alive?
Mr. Green
• “All living things are made up of cells.”
– Schleiden & Schwann
• What does it mean to be alive?
– “If I only had a brain…”
» Scarecrow
– “If I only had a heart…”
» Tin Woodman
– “If I only had courage…”
» Cowardly Lion
(which movie is this from?)
Mr. Green
• Mr. Green Acronym
• What’s Mr. Green?
• An acronym that’s used to remember
terms by remembering a simpler word.
– TSN: The Sports Network
– A.K.A: Toronto Sports Network…
Mr. Green
•
•
•
•
•
•
•
Movement
response system
Growth
Reproduction
Exchange of Gases
Exchange of Liquids
Nutrient Transfer
Mr. Green
• “M”
• Movement
– There is definite movement for a specific
purpose.
– The tree moved the sap down the tree
• Specific purpose!
– The leaves moved in the wind
• No specific purpose!
Mr. Green
Mr. Green
• “R” (first one)
• Response System
– There is a protective response to avoid situations that
are dangerous
• My finger jerked backward in response to the
needle prick
– Response system (nervous system)
• When I stuck the tack in the wall, there was no
response...
– No response system
Mr. Green
Mr. Green
• “G”
• Growth: An increase in size at some point
during a lifetime (not necessarily current)
• Adult humans do not grow taller, but they
did grow at one point in their lives.
– They can still grow rounder…
Mr. Green
Mr. Green
• “R” (2nd one)
• Reproduction: New forms of life must be
able to be produced from the existing one.
• The Cow had a calf which would one day
grow into another adult Cow.
– New Cow from old Cow
• The stick was broken into seven pieces.
– Original stick is just broken into smaller pieces
Cow
Mr. Green
• “E” (1st one)
• Exchange of Gases: The acquiring of one
type of gas, usually exchanging it for
another type.
• The beans that Justin ate for supper last
night increased his gas exchange amount.
• The candle needed oxygen to burn and
gave off ash and smoke particles.
Candle and Flatulence
Mr. Green
• “E” (2nd one)
• Exchange of liquids: Living organisms
need to obtain liquids (dehydrated) and
get rid of excess liquids (urinate).
– After drinking 15 Dr. Peppers, Forest Gump
needed to use the washroom.
– After 2 hours of football practice, Jared
needed to drink lots of water.
Mr. Green
Mr. Green
• “N”
• Nutrient Transfer: Living organisms need
to acquire nutrients to support building
new tissue for development and growth.
– Eating vegetables can give you many
nutrients and minerals you need for healthy
skin.
– Meats, Poultry, Pork and certain veggies give
you protein for building new cells.
Mr. Green