Download Cells, Tissues, Organs, Organ Systems

Cells, Tissues,
Organs, Organ
Systems
Why are cells
important?
They
do
help us do what we
Breakdown
Move
Grow
Reproduce
food
Cells have jobs
Some help move
things around the
organism
Some fight disease
Bacteria
Smallest
organisms
on Earth
Made of only one
cell
What are some
advantages of
being one cell?
Disadvantages?
Larger Organisms
Made of many cells
What are some advantages
of being multi-celled?
Disadvantages?
Cell membrane
Holds
cell together
Is a boundary
Plants also have cell wall
for support and
protection
Cytoplasm
Like
Jello/Where
activities take place
Organelles
Each
does a different job
Nucleus
Contains chromosomes
(plan for cell)
Vacuoles
stores food, waste
Mitochondria
Where cellular respiration
happens
Food energy
turned into energy
cell can use
Photosynthesis
Makes food for cell
Occurs in leaf cells
Chloroplasts
Makes leaves
green
Cells
 There
are many different types
 Each has it’s own function
 Types of human cells:





Nerve
Muscle
Bone
Skin
Fat
Tissues
 Made
up of many cells that work together
and do the same job
 Some tissues in the human body include:




Muscle
Blood (liquid tissue)
Skin
Bone
Organs
 Made
up of many tissues that work
together and do the same job
 Some organs in the human body include:





Heart
Brain
Stomach
Liver
Lungs
Organ Systems
 Made
up of many organs that work
together and do the same job
 Some organ systems in the human body
include:





Digestive
Nervous
Respiratory
Circulatory
Reproductive
Flow Chart
cell
tissue
organ
organ system