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HUMAN CELLS

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Page 1: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

HUMAN CELLSHUMAN CELLS

Page 2: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Blood CellsBlood Cells

• Have a smooth shape to squeeze easily past other cells

• Life Span: 120 days

• Have a smooth shape to squeeze easily past other cells

• Life Span: 120 days

Page 3: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Liver Cells

• help to store proteins and detoxify drugs

• last up to 5 months

• help to store proteins and detoxify drugs

• last up to 5 months

Page 4: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Stomach Lining Cell

Stomach Lining Cell

• have a folded surface to give a larger area to take in food better

• Life Span: 2 days

• have a folded surface to give a larger area to take in food better

• Life Span: 2 days

Page 5: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Fat CellsFat Cells

• have a large reservoir in which they can store food

• once you have them you can’t get rid of them

• have a large reservoir in which they can store food

• once you have them you can’t get rid of them

Page 6: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Muscle CellMuscle Cell

• responsible for movement

• long and thin with pointed ends so they can slide over each other

• responsible for movement

• long and thin with pointed ends so they can slide over each other

Page 7: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Bone CellsBone Cells

• help build your skeleton

• Life Span: 25-30 years

• help build your skeleton

• Life Span: 25-30 years

Page 8: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Skin CellsSkin Cells

• are close together and cover a large area

• Life Span: 1-34 days

• are close together and cover a large area

• Life Span: 1-34 days

Page 9: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Nerve cellNerve cell

• 100 billion in human brain• do not replicate after maturity

• 100 billion in human brain• do not replicate after maturity

Page 10: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Lung CellsLung Cells

Page 11: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Sperm CellsSperm Cells

• Acrosome releases chemicals to help sperm enter the egg• 200 million in each ejaculate; live for 2 days inside the female

• Acrosome releases chemicals to help sperm enter the egg• 200 million in each ejaculate; live for 2 days inside the female

Page 12: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

CELLSCELLSCELLSCELLS•Cells are the smallest of living creatures.

•Cells are made of atoms and molecules.

If an atom were the size of a pea,

A molecule would be the size of a marble,

The cell would be the size of a cruise ship,

And a human would be the size of North America.

•Cells are the smallest of living creatures.

•Cells are made of atoms and molecules.

If an atom were the size of a pea,

A molecule would be the size of a marble,

The cell would be the size of a cruise ship,

And a human would be the size of North America.

Page 13: HUMAN CELLS. Blood Cells Have a smooth shape to squeeze easily past other cells Life Span: 120 days Have a smooth shape to squeeze easily past other cells

Cells - how big?


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