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Copy of Malone 7th Grade: Parts of a Cell

Cells, their functions, types of cells and parts of a cell
by

Bridget Collier

on 20 October 2013

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Transcript of Copy of Malone 7th Grade: Parts of a Cell

What Makes Up Multicellular Organisms?
Cells and Their Functions
Cells
The smallest living parts of animals and plants.
You need a microscope to see most cells.
Single Cell Organisms vs. Multicellular Organisms
Some of the smallest living things are made of only a single cell.
Multicellular organisms are made of more than one cell.
Multicellular organisms can have more than a trillion cells...like people!
Cells
Take in food and get rid of wastes.
Need food to grow.
Communicate and work with other cells.
Use energy to move, grow and make new cells.
SPI: Students know many multicellular organisms have specialized structures to support the transport of material.
Malone 7th Grade Science
Student Objective:
I can identify the parts of a plant cell and an animal cell.
The Parts of Cells
Plant cells and animal cells have similar parts, but plant cells have some parts that animal cells do not have.
Animal Cells
Plant Cells
Cell Membrane
Cell Membrane
Nucleus
Nucleus
Mitochondria
Mitochondria
Cytoplasm
Cytoplasm
Vacuole
Vacuole
Ribosomes
Ribosomes
Cholorplasts
Cell Wall
Checkpoint!
What is the smallest part of your body that is alive?
What do all cells need?
a. light
b. blood
c. electricity
d. food
a cell
Cell Membrane
holds the cell together
lets some materials into cell (sugar, water & oxygen)
lets some materials out of the cell (carbon dioxide & other wastes)
Nucleus
directs the cell's activities
store's information that will be passed on to new cells (DNA)
Mitochondria
help the cell use the chemical energy in food
Mitochondria
energy factory
the brain
the gate keeper
Ribosomes
help make proteins
Cytoplasm
the fluid between the nucleus and the cell membrane
it's like jelly
Vacuole
a part of a cell that stores water and nutrients
storage
Cell Wall
found only in a plant cell
a rigid wall lies outside of the cell membrane and it gives the cell support
Chloroplast
Chloroplast
found only in a plant cell
contain chlorophyll
plants make food when sunlight strikes chlorophyll
also called: Organelles
Tissues, Organs, and Organ Systems
Tissues
A tissue is a group of the same kind of cells.
work together to do the same job...Teamwork!
ex. muscle tissue
nerve tissue
Tissues join with other types of tissue to form...
ex. muscle tissue
nerve tissue
Organs
An organ is a group of different tissues that join together into one structure.
Human Organs: Heart and Brain
Plant Organs: Stems, Roots, and Leaves
Organs do a main job in the body or plant.
Organs work together to make up an...
Organ Systems
A group of organs that work together.
ex. The Circulatory System
blood cells
blood vessels
the heart
tissue
cell
organ
Every cell needs food and oxygen. Every cell also needs to get rid of wastes. Organ systems work together to meet these needs.
example: The Digestive System
and The Circulatory System (blood)
Let's watch a quick video to see how it all comes together!
http://www.bbc.co.uk/schools/ks3bitesize/science/organisms_behaviour_health/cells_systems/activity.shtml
Student Objective:
I will explain the relationship between the structures of multicellular organisms.
Cells
The smallest living part of plants and animals.
Join with other types of cells to form...
Cells
The smallest living part of plants and animals.
Join with other types of cells to form...
Tissues
A group of the same kind of cells.
Join with other types of tissues to form...
Cells
The smallest living part of plants and animals.
Join with other types of cells to form...
Organs
A group of different tissues that join together into one structure.
Join with other types of organs to form...
Cells
The smallest living part of plants and animals.
Join with other types of cells to form...
Organs Systems
A group of organs that work together.
Photo Credits
Exit Ticket Tweet:
Tweet, Tweet! : Put your Post-it on your number in the back!
List the terms organ system, tissues, cells, and organs in order from
smallest (simplest)
to
largest (most complex)
start at "red blood cells" and stop at "cut the leaf"
Endoplasmic Reticulum
- can be smooth or rough.
- rough ER has ribosomes attached to it
-processes materials and moves it throughout the cell
Full transcript