A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems...

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A Community of Cells How cells make up a body.

description

Cells A cell is the basic building block on which the body is built on. The body is simply a collection of cells that do different jobs that live together in community.

Transcript of A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems...

Page 1: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.

A Community of Cells

How cells make up a body.

Page 2: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.

Cell Organization

Cells are organized into systems that, together, perform functions that keep the organs healthy and alive.

Page 3: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.

Cells

• A cell is the basic building block on which the body is built on. The body is simply a collection of cells that do different jobs that live together in community.

Page 4: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.

Tissues

Tissues: groups of similar cells that do the same sort of work

Ex: Skin cells make up skin tissue

Page 5: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.

Organs and Organ Systems

Organs: different types of tissues working together

Organ systems: a group of organs working together to do a certain job.

Page 6: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.
Page 7: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.

Bone Cells are surrounded by a hard substance made of calcium and phosphorus

Page 8: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.
Page 9: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.

Nerve cells are long and have many branches. This allows them to receive and deliver messages quickly.

Page 10: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.
Page 11: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.

Muscle cells are usually long and have many fibers that can contract and relax.

Page 12: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.
Page 13: A Community of Cells How cells make up a body.. Cell Organization Cells are organized into systems that, together, perform functions that keep the organs.

Skin cells are mostly flat and close together. They form a protective layer for your body.

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Read Section 15.3

• Answer questions 1-5