Homeostasis

The maintenance of an organism’s internal environment is called:

• compensating
• homeostasis
• balancing
• routine

Tags

NGSS.HS-LS1-3

Why is the sensation of thirst important to maintaining homeostasis?

• Water removed by the kidneys must be replaced

• Oxygen cannot diffuse into cells if a person is dehydrated

• Water molecules are needed to carry carbon dioxide waste to the kidneys

Tags

NGSS.HS-LS1-3

Why does pulse rate increase during exercise?

• Oxygen and carbon dioxide must be removed from the body ASAP

• Gas exchange must happen more quickly than when a person is at rest

• Oxygen must be moved to the lungs and carbon dioxide must be moved to cells more quickly

• Carbon dioxide must be moved to the kidneys to be excreted

Tags

NGSS.HS-LS1-3

The group of organisms that use the process of homeostasis includes

• mammals, only

• animals, only

• plants and animals

• all living things

Tags

NGSS.HS-LS1-3

What does homeostasis mean?

• Temperature
• Water
• Cells
• Steady state

Tags

NGSS.HS-LS1-3

Look at the picture...are there more molecules inside (area A) or outside the cell (area B)?

• A
• B

Which body system controls the body to maintain homeostasis?

• excretory

• nervous

• circulatory

• skeletal

Tags

NGSS.HS-LS1-3

Name the levels of organization in the human body in order from smallest to largest:

• Tissue, organ, organ system
  
• Organ system, tissue, organs, cells
  
• Cells, tissue, organs, organ system
  
• Cells , organs, tissue, organ system

What is the point of a feedback loop?

• To provide the body with more energy

• To provide the body with more food

• To make sure the conditions in the body are always changing

• To make sure the conditions in the body remain stable

Tags

NGSS.HS-LS1-3

The "cause" for something to happen is called...

• response

• effector

• control center

• stimulus