homeostasis practice quiz

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

Which body system controls the body to maintain homeostasis?

• excretory

• nervous

• circulatory

• skeletal

The group of organisms that use the process of homeostasis includes

• mammals, only

• animals, only

• plants and animals

• all living things

Negative Feedback Loops:

• amplify processes
• prevent small changes from getting larger
• are initiated during childbirth
• are found only in plants

Which of the following is NOT the system that regulate the blood sugar level?

• Circulatory system
• Muscle system
• Endocrine system
• Digestive system

When the body temperature drop below normal ranges, arterioles in the skin will

• dilate to allow less blood to flow to skin surface

• constrict to allow less blood to flow to skin surface

• dilate to allow more blood to flow to skin surface

• constrict to allow more blood to flow to skin surface

What is the key function of the respiratory system?

• digestion of food

• allows movement

• exchanges gases

• processes energy

Which organs make up the circulatory system?

• the heart, veins, blood vessels

• the brain, spinal cord, and nerves

• the kidneys, bladder, and ureters

• bones

Which two systems work together to maintain homeostasis while transporting oxygen throughout the body and removing carbon dioxide?

• circulatory and respiratory

• respiratory and excretory

• circulatory and digestive

• respiratory and digestive

____________________ helps warm the human body when we are cold.

• sweating

• shivering

• inhaling oxygen

• exhaling carbon dioxide