1. CELL specialization, SHAPE & FUNCTION

2. PLANT VS. ANIMAL CELL PLANT CELLS ANIMAL CELLS ONION CELLS
HUMAN CHEEK CELLS

4. ELODEA CELLS Notice the chloroplasts inside the cells…
What is the function of chloroplasts?
Would you find these structures in cheek cells?

5. Cell specialization
Cells specialize to carry out specific functions in an organism. Cells come in a variety of shapes… The shape of the cell is related to its function…

6. Human Red Blood Cells Notice the rounded shape of red blood cells
What is the function of red blood
cells?
Carry O2
How does the rounded shape help Red blood cells do their job?
Rounded shape helps blood cells move easily through blood vessels

7. BONE CELLS
Notice the “tree-ring” pattern of bone cells What is the function of bone cells? Provide protection to soft tissue & organs
How does the shape of bone cells help its function?
Forms a network of strength to provide protection

8. NERVE CELLS
What is the function of nerve cells? Communication; receiving & transmitting info through the body from organ to organ How does function relate to shape?
Long thing “fibers” for transmitting information

9. MUSCLE CELLS What is the function of muscle cells? Movement
Muscle cells are long & elastic to allow for contraction & expansion which creates movement

10. There are 3 types of muscle cells
SKELETAL MUSCLE
CARDIAC MUSCLE
SMOOTH MUSCLE

11. SPERM CELLS
What is the function of sperm cells? Fertilize the female egg How is their shape related to their function? Have long tails (flagella) to swim to egg