Homeostasis in the Human Body

Homeostasis

• allows for a wildly fluctuating internal environment
• is impossible in vertebrates
• is the maintenance of a relatively stable internal environment and often incorporates a form of negative feedback loop

• is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation

The group of organisms that use the process of homeostasis includes

• mammals, only

• animals, only

• plants and animals

• all living things

Which of the following is NOT an example of a feedback mechanism?

• A human producing gametes

• A plant bending toward sunlight

• Sweating when you are hot.

• Shivering when you are cold

This is the term used to describe the normal range of a variable in an organism

• control center

• effector

• stimulus

• set point

Which of the following is not regulated by homeostasis?

• body temperature

• blood sugar

• blood pH

• body movements

which organ will balance the glucose level in the blood by releasing hormones like insulin or glucagon?

• Stomach

• Small intensine

• large intestine

• Pancreas

Excess of glucose will be stored in what form?

• insulin

• glycogen

• glucagon

• glucose

Which hormone is released when blood sugar gets too high?

• glucose

• glucagon

• glycogen

• insulin

Which hormone is released when blood sugar gets too low?

• glucose

• glucagon

• glycogen

• insulin

Glucagon causes muscles and the liver to release _____ back into the bloodstream

• glucose

• glucagon

• glycogen

• insulin