Cells and Body Systems Review

Which is a characteristic of most single celled organism?

• They have a complex nervous system

• They contain several different types of cells

• They perform all life functions

• They have a circulatory and a respiratory system

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Which statement best describes how a multicellular organism survives?

• Every cell carries out the same functions for the survival of the organism

• The cells all have the same structures that allow the organism to survive

• All life processes are performed by each cell for the survival of the organism

• The cells have different functions, and together they are essential for the survival of the organism

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What is the relationship between the respiratory system and the circulatory system?

• The respiratory system exchanges oxygen and carbon dioxide with the circulatory system

• The respiratory system exchanges oxygen and carbon monoxide with the circulatory system

• The respiratory system exchanges oxygen and sugar with the circulatory system

• The respiratory system exchanges oxygen and nitrogen with the circulatory system

Which system in the human body includes the heart, blood, arteries, and veins?

• Cardiovasular

• Digestive

• Muscular

• Respiratory

In what way are insects and humans similar?

• Both are single celled organism

• Both are multicellular organisms

• Both have cells that capture sunlight to make food

• Both have cells that carry out all life functions

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Arteries carry ______ away from the heart to the rest of the body.

• Waste

• Blood

• Air

• Food

The skeletal system is a _____ structure that holds the body up and protects the internal organs

• spongy tissue

• cartilage

• rigid

• muscular

Bones are to support as muscles are to ______.

• hearing

• movement

• respiration

• touch

Sophia is a pitcher on her softball team. When Sophia pitches the ball she is using her arm muscles. Sophia's arm muscles are _____.

• made of rigid structures

• made of spongy tissue

• involuntary muscles

• voluntary muscles

The difference between voluntary and involuntary muscles is that _____.

• Involuntary muscles keep working without you thinking about them

• Voluntary muscles work on their own without you thinking about them

• Involuntary muscles move when you think about them

• Voluntary muscles are never strong