Homeostasis

What describes a lack of water in the blood?

• Dehydration
• Rehydration
• Hydration
• Concentrated

If the environment gets cold, we will often shiver in order to:

• keep body temperature the same as the external temperature
• decrease body temperature
• increase body temperature
• regulate blood pressure

Tags

NGSS.HS-LS1-3

Which of the following animals has a body temperature that doesn't change depending on the weather outside?

• 
• 
• 
• 

Endothermic creatures maintain fairly consistent body temperatures. Ectothermic creatures do not. What are the best synonyms for "endothermic" and "ectothermic?"

• warm-blooded and cold-blooded

• land-dwelling and water-dwelling

• vertebrate and invertebrate

What is the evaporation of a liquid to cool the body?

• Shivering
• Sweating
• Vasodilation
• Vasoconstriction

Tags

NGSS.MS-PS1-4

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

At extreme temperatures, many enzymes...

• speed up reactions

• slow down reactions

• stop working properly

• all of the above