Domain 9: The Human Body Pausing Point

I am one of your sense organs, the largest body organ. What am I?

• heart

• skin

I am the system responsible for circulating, or moving, blood to all other systems. What am I?

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I am an instrument used to view microscopic organisms. What am I?

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I am the system responsible for carrying oxygen to your lungs so that you can respire, or breathe. What am I?

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I work with your sense of taste to make eating pleasurable for you. What am I?

• sense of sight

• sense of smell

I am one of the body’s building blocks, the smallest unit of life that can carry out functions of living things. What am I?

• cell

• tissue

I am a curved piece of glass used to magnify objects on a microscope. What am I?

• lens

• prism

I am the softest and most abundant tissue in the human body. What am I?

• bones

• muscle tissue

I am a tiny, one-celled organism that Anton van Leeuwenhoek discovered when looking at water through a microscope. What am I?

• virus

• bacteria

I am made up of body tissues, groups of similar cells. What am I?

• an organ

• a muscle