Human Body Review Part 1: 7.L.1.3

Which muscle tissue forms the walls of the heart?

• cardiac

• smooth

• skeletal

• voluntary

Which best describes the heart?

• a cell

• an organ

• an organelle

• an organ system

Which is an organ within the circulatory system?

• blood

• heart

• stomach

• sciatic nerve

Which biological structures form all organs?

• tissues

• organelles

• red blood cells

• organ systems

Tags

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Which is true about organs?

• Organs are unicellular.

• Organs are made of tissues.

• Organs are made of organ systems.

• Organs are made of multicellular organisms

What is the basic unit of life responsible for all human functions?

• cell

• organ

• system

• tissue

Tags

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Which is the highest level of organization in a multicellular organism?

• cell

• tissue

• organ

• organ system

Tags

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Which structure in the human body would be classified as tissue instead of as an organ?

• liver

• spleen

• spinal cord

• bone marrow

Tags

NGSS.MS-LS1-3

How would the mouth, esophagus, and stomach working together be described?

• as cells

• as a tissue

• as an organ

• as an organ system

Tags

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How can the heart be classified?

• as a cell

• as tissue

• as an organ

• as an organ system