21.1 Text B

What is homeostasis?

• The process of maintaining constant movement
• A system that only controls body temperature
• The maintenance of a stable internal environment
• The process of converting glucose to energy

Tags

NGSS.HS-LS1-3

The hypothalamus responds to low body temperature by:

• Decreasing cellular activities
• Producing chemicals that increase cellular activity
• Reducing sweat production
• Lowering core temperature

Tags

NGSS.HS-LS1-3

Which statement best describes feedback inhibition?

• A process that amplifies the original stimulus
• A response that has no effect on the stimulus
• A system that only works in mechanical devices
• A response that opposes the original stimulus

Tags

NGSS.HS-LS1-3

The normal core body temperature is approximately:

• 35°C
• 36°C
• 37°C
• 39°C

Tags

NGSS.HS-LS1-3

What is the primary function of shivering?

• To increase muscle flexibility
• To release heat through muscle contractions
• To reduce body temperature
• To protect joints from cold

Tags

NGSS.HS-LS1-3

The liver's role in glucose regulation includes:

• Converting glucose to ammonia
• Removing excess glucose from blood after meals
• Producing insulin
• Breaking down proteins only

Tags

NGSS.HS-LS1-3

Which organ produces bile?

• Pancreas
• Kidneys
• Small intestine
• Liver

A consequence of too little glucose in the blood is:

• Damage to the immune system
• Possible loss of consciousness
• Improved kidney function
• Enhanced cellular respiration

Tags

NGSS.HS-LS1-3

Diabetes is characterized by:

• Excessive production of bile
• Normal blood glucose levels
• Improved glucose absorption
• Abnormal blood glucose regulation

Tags

NGSS.HS-LS1-3

The liver converts toxic ammonia into:

• Glucose
• Bile
• Urea
• Proteins