Living Environment: Homeostasis & Physiology Test Review

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

• compensating
• homeostasis
• balancing
• routine

Tags

NGSS.HS-LS1-3

What might happen if your respiratory center malfunctioned?

• The oxygen level in your blood might go out of balance
• Your nostrils and other breathing passages might close up
• Your lungs might collapse
• You might start inhaling carbon dioxide instead of oxygen

Tags

NGSS.HS-LS1-3

What structures help increase the area for absorption by the small intestine?

• Villain
• Veins
• Arteries
• Villi

Which organ is responsible for over 90% of your nutrient absorption?

• Liver
• Large intestine
• Small intestine
• Stomach

What are the tiniest blood vessels that allow nutrients to go into the surrounding tissues?

• arteries
• veins
• capillaries
• tunics

Tags

NGSS.HS-LS2-3

Diarrhea is a malfunction of the digestive system that disrupts homeostasis because

• cells get absorb too much water
• cells do not get enough water and will dehydrate

Tags

NGSS.HS-LS1-3

How does a heart attack disrupt homeostasis?

• dehydrates cells
• blood stops flowing so cells cannot get nutrients, oxygen & waste removal
• causes cancer
• increases glucose levels in the blood, causing diabetes

Tags

NGSS.HS-LS1-3

Heart attacks and high cholesterol can be prevented by

• eating a lot of food & not exercising
• sleeping & eating a lot
• regular exercise & diets low in fat
• these malfunctions cannot be prevented

What is the correct order of events after food is ingested?

• diffusion, circulation, absorption, digestion
• circulation, diffusion, digestion, absorption
• digestion, absorption, circulation, diffusion
• absorption, diffusion, circulation, digesetions

When running a marathon, the body produces a lot of sweat.  How does the body maintain homeostasis?

• decreases urine production to conserve water
• increases urine production to conserve water
• increases urine production to eliminate water
• produces excess urine to increase salt levels

Tags

NGSS.HS-LS1-3