Cells-specialized

BrainPOP video

• http://www.brainpop.com/science/cellularlifeandgenetics/cellspecialization/preview.weml

Special Cells for Special Jobs

• Cells that make up many-celled organisms, like you, are specialized.

• Different kinds of specialized cells work as a team to perform the activities of a many-celled organism.

The Different Jobs of CellsThe Different Jobs of Cells

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Types of Human Cells

• Your body is made up of many types of specialized cells.

• A cell's shape and size can be related to its function.

The Different Jobs of CellsThe Different Jobs of Cells

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Red Blood Cell

White Blood Cell

Nerve Cell

Special animal cells-use book p. 483 and article (for blood cell)

Cell name Function or job drawing

Fat

Nerve

Muscle

Red blood cell

Skin

Bone cell

Types of Plant Cells

• Plants also are made of several different cell types.

• Plants have different types of cells in their leaves, roots, and stems.

The Different Jobs of CellsThe Different Jobs of Cells

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Types of Plant Cells

• Some cells in plant stems are long and tubelike. Together they form a system through which water, food, and other materials move in the plant.

• Other cells are smaller or thicker. They provide strength to the stems.

The Different Jobs of CellsThe Different Jobs of Cells

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Special plant cellsp. 484 in book and article

cell function drawing

Leaf

Root

stem

Cell “Most wanted poster”

• Students will work individually to make a wanted poster

• Include

• Name of cell

• drawing of cell,

• “wanted for….” (what it does in the body)

• reward if found ( can be money or use your imagination!)

22Section CheckSection Check

Question 1

A cell’s shape is often related to its _______.

A. functionB. originC. organizationD. size

22Section CheckSection Check

Answer

The correct answer is A. A cell’s shape and size can be related to its function.

22Section CheckSection Check

Question 3

Which is long and has many branches, allowing it to receive and deliver messages quickly?

A. bone cellB. fat cellC. muscle cellD. nerve cell

22Section CheckSection Check

Answer

The correct answer is D. Nerve cells are long and have many branches.