Introduction to the Human Body

How do the nutrients get into the bloodstream in the digestive system?

• absorption

• breathing

• contraction

The smallest and the most basic and simple unit of all organisms is the _____.

• cell

• organ

• organ system

• tissue

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NGSS.MS-LS1-1

Your brain is a structure composed of different kinds of tissue. What is this kind of structure called?

• a cell

• an organ system

• an organ

• a tissue

The endocrine system produces chemicals that are called _____.

• carbon dioxied

• hormones

• joints

• nutrients

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NGSS.HS-LS1-3

Skins, ears, and kidneys are examples of

• cells

• organs

• organ systems

• tissues

The skin is made up of nervous tissue

• True

• False

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NGSS.MS-LS1-3

Blood cells bring carbon dioxide to the cells.

• True

• False

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NGSS.MS-LS1-3

The circulatory system moves different elements, compounds, and waste in our bodies.

• True

• False

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NGSS.MS-LS1-3

The condition in which the body’s

internal environment is kept stable is

called

• homeopathy

• metabolism

• homeostasis

• equilibrium

Tags

NGSS.HS-LS1-3

Which of the following is NOT a good

way to manage stress?

• Get enough sleep.

• Eat a healthful diet.

• Spend most of the time alone.

• Get plenty of exercise.