Unit 7 Test Review

What is the basic unit of life in the human body?

• cell

• organ

• atom

• molecule

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Name two examples of specialized cells in the human body and their functions.

• Muscle cells (function: produce insulin)

• Bone cells (function: transport nutrients)

• Skin cells (function: regulate body temperature)

• Neurons (function: transmit nerve impulses) and Red blood cells (function: transport oxygen)

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NGSS.MS-LS1-2

What is the definition of tissue in the human body?

• A type of clothing worn by the body

• A group of cells that have similar structure and function.

• A type of vehicle used for transportation

• A type of food consumed by the body

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What is an organ in the human body?

• tissue

• Heart

• artery

• Lungs

How do organs work together in an organ system?

• By performing specialized functions that contribute to the overall well-being of the body

• By working independently without any coordination

• By causing harm to each other

• By competing with each other for resources

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Name two organ systems in the human body and explain their functions.

• The excretory system and the nervous system. The nervous system removes waste from the body, while the excretory system controls and coordinates the body's activities.

• The muscular system and the respiratory system. The muscles contract and relax to regulate breathing of the respiratory system

• The nervous and the circulatory system. The circulatory system controls everything and the the nervous system circulates the blood.

• None of these

Which two organ systems control your hand flying back from a hot object?

• nervous and muscular

• skeletal and digestive

• digestive and circulatory

• circulatory and nervous

Why does the doctor do a reflex test, what systems is he checking to make sure are ok?

• excretory and skeletal

• respiratory and skeletal

• circulatory and muscular

• muscular and nervous

If my body needed oxygen, what two body systems could I not live without?

• circulatory and respiratory

• digestive and excretory

• nervous and skeletal

• respiratory and skeleta

I genes, we as humans are made of countless different type, and they combine to make tissues, what am I?

• Organism

• Cell

• Tissue

• Organ

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NGSS.MS-LS1-1

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