Unit 3: Biology Date:_______________________________________

SPECIALIZED CELLS

SPECIALIZED CELLS

Organisms have many _________ types of cells and each has it’s own _________.

Each has ___________ and _____________differences suited to their functions.

TYPE OF SPECIALIZED CELL FUNCTION PICTURE

BLO

OD

CELL

S

RED BLOOD CELL Carries oxygen and carbon dioxide

WHITE BLOOD CELL Fight infection and disease

PLATELET Clotting

EPIDERMAL CELLS Overlap to provide protection and reduce water lossNo blood vessels, nourished by outer environment

BONE CELLS Collect calcium from foodHelp create the body’s skeleton

MUSCLE CELL Long and thin contract/relax easilyFunction: Move muscles which move skeletonrequire lots of energy

Cells

TissuesOrgans

Organ SystemOrganism

Unit 3: Biology Date:_______________________________________

SPERM CELLS Mobile cell with a flagellum (tail)lots of mitochondria.Pointy front to penetrate eggFunction: Male gamete for sexual reproduction

NERVE CELLS Long extensions that carry messages a long distance through the body

FAT CELLS Spherical cell with large fat-filled vacuoleFunction: Fat storage

STEM CELLS -An unspecialized cell that can turn into different cells (skin, liver, muscle, nerve, brain)

Embryonic Stem Cells Can become _____ _____ in the adult body Found in ____ ________ ______ or cells produced

from the first couple of cell divisions

Cord Blood Banking Umbilical Cord blood is rich with _______ ________ can be __________ in the event that a child would need

itEx: Leukemia

Adult Stem Cells Can only ____________ into a limited number of types of cells __________

___________ to the stem cell type _________ __________ can differentiate into _____, _______ or ___________

(ex: leukemia)