Function of Cells

function of nerve cells

• transmit messages to the brain and back to the cells

• carries blood cells, nutrients, and waste

• help clot blood

• fight infection

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platelets

• help clot blood

• fight infection

• carry oxygen

• magnification = eyepiece x objective lens

• A cell structure that controls which substances can enter or leave the cell.

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white blood cells (WBC)

• fight infection

• carry oxygen

• magnification = eyepiece x objective lens

• A cell structure that controls which substances can enter or leave the cell.

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red blood cells (RBC)

• carry oxygen

• magnification = eyepiece x objective lens

• A cell structure that controls which substances can enter or leave the cell.

• enlarges the image of the specimen

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How do red blood cells help a cut to heal?

• bring oxygen to cells

• support, protection, movement, storage, blood cell production

• protection, sensation

• produce movement, maintain posture, stabilize joints

How do white blood cells help a cut to heal?

• they fight infection

• bring oxygen to cells

• support, protection, movement, storage, blood cell production

• protection, sensation

The basic unit of structure and function in living organisms

• Organ

• Cell

• Organ System

• Organism

• Tissue

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What is the primary function of the cell membrane?

• To control the movement of substances in and out of the cell

• To produce energy for the cell

• To store genetic information

• To synthesize proteins

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Which organelle is responsible for energy production in the cell?

• Nucleus

• Mitochondria

• Ribosome

• Golgi apparatus

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What is the role of ribosomes in a cell?

• To synthesize proteins

• To store nutrients

• To break down waste

• To transport materials

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