Unit 2 Notes: human body systems

Multiple Choice

Which of the following best describes the significance of studying human body systems?

• It helps us understand how our bodies function and stay healthy.

• It teaches us about plants and their growth.

• It explains the history of human civilization.

• It focuses only on animal anatomy.

Open Ended

Why is it important to understand how the human body is organized?

Multiple Choice

Muscles help your body _______?

• Read
• Sit
• Sleep
• Move

Multiple Choice

Which system pumps blood through your body?

• circulatory
• digestive
• respiratory
• muscular

Multiple Choice

When you breathe, your lungs take in ___ and remove ___.

• air/oxygen

• oxygen/carbon dioxide

• carbon dioxide/waste

• waste/air

Multiple Choice

Getting rid of waste is the job of which system?

• Excretory

• Digestive

• Respiratory

• Muscular

Multiple Choice

What is the main purpose of the immune system?

• support the body through bones and muscles
• get rid of waste from the body
• protect the body from pathogens
• move blood through the body

Multiple Choice

Which of the following best describes the main levels of organization in the human body?

• Cells, tissues, organs, organ systems

• Atoms, molecules, cells, organs

• Organs, tissues, cells, systems

• Systems, organs, tissues, cells

Open Ended

Reflecting on today's lesson about body organization, what is one new thing you learned about how the human body is structured?