Homeostasis and Cell Processes

_______________________ is the maintenance of a constant __________ state in a changing environment.

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NGSS.HS-LS1-3

How do unicellular organisms maintain homeostasis?

• They drink water.

• The cell membrane and other parts of the cell regulate what materials get into and out of the cell.

• The vacuole and other parts of the cell regulate what materials get into and out of the cell.

• The nucleus and other parts of the cell regulate what materials get into and out of the cell.

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Which animal organ is responsible for carrying oxygen and other materials through the body and into each cell?

• Blood

• Blood vessels,

• Heart

• Lungs.

What else does that same organ do?

• It carries information to body parts..

• It carries waste out of the cells.

• It carries waste out of your body.

• It carries information into the cells.

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NGSS.MS-LS1-3

What does the xylem do, in plants?

• It transports water and minerals from the roots to the rest of the plants.

• It forms the plant's bark.

• It transports food made within plant cells.

• It transports chloroplasts oout of the cells.

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NGSS.MS-LS2-3

What does the phloem do, in plants?

• It transports water and minerals from the roots to the rest of the plants.

• It forms the plant's bark.

• It transports food made within plant cells.

• It transports chloroplasts oout of the cells.

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NGSS.MS-LS2-3

How do cells get energy?

• They get food from other cells.

• They break down materials such as food.

• They use electricity from the sun.

• They use water and minerals from the ground.

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What is a by-product of the breaking down of materials?

• Getting raw materials the cell uses to make other materials for cell processes.

• New food.

• Waste products to be taken away from the cell.

• Carbon dioxide.

Explain the process modeled in the diagram.

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The process through which cells use oxygen to produce energy from food is called ______________ ________________.