Understanding Animal Systems

What are animals composed of according to the document?

• A single system

• A variety of interdependent systems

• Independent systems

• A single independent system

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NGSS.MS-LS1-3

Why can't one system function entirely on its own in animals?

• Because it is too complex

• Because it is interdependent with other systems

• Because it is independent

• Because it is too simple

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NGSS.MS-LS1-3

What do producers do to keep animals healthy?

• Ignore the systems

• Make sure all systems function properly

• Focus on one system only

• Disregard system interdependence

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What is the primary function of the skeletal system?

• To produce hormones

• To provide frame and support for all systems and organs

• To digest food

• To circulate blood

What is cartilage?

• A type of bone

• A firm, flexible tissue that is not as hard as bone

• A muscle tissue

• A type of nerve cell

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NGSS.MS-LS1-3

NGSS.MS-LS4-2

Which of the following is a function of bones in the skeletal system?

• Produce red blood cells

• Attach muscles

• Regulate body temperature

• Digest food

What is one of the roles of bones in movement?

• They produce energy

• They act as a means of movement

• They filter waste

• They conduct nerve impulses

How do bones contribute to the protection of the body?

• They protect internal organs

• They produce hormones

• They absorb nutrients

• They regulate blood pressure

What is one of the storage functions of bones?

• Storage of vitamins

• Storage of minerals

• Storage of proteins

• Storage of carbohydrates

What is the outer layer of the bone called?

• Endosteum

• Periosteum

• Medullary cavity

• Spongy bone