Body Systems and Homeostasis Quiz

What is the definition of homeostasis?

• The system that controls the rate the heart beats.

• The ability to maintain constant internal conditions when outside conditions change.

• The process of breaking down food to obtain nutrients.

• The coordination of the body's response to external stimuli.

What temperature must your body be regulated at?

• 35 degrees celsius

• 40 degrees celsius

• 37 degrees celsius

• 30 degrees celsius

What does most of your body get its energy from?

• Minerals

• Proteins

• Carbohydrates

• Vitamins

When does chemical digestion occur?

• When food enters the small intestine

• When you swallow food

• When enzymes in saliva and acid in your stomach break down food

• When you chew your food

What body system does your food enter your body through?

• Circulatory system

• Nervous system

• Respiratory system

• Digestive system

How does the body coordinate movement and respond to stimuli?

• By using mechanical signals

• By using electrical signals

• By using thermal signals

• By using chemical signals

What are hormones?

• Chemical signals secreted by the circulatory system

• Chemical signals secreted by the endocrine system

• Chemical signals secreted by the muscular system

• Chemical signals secreted by the digestive system

What is insulin and what is its purpose?

• Insulin is a hormone released by the liver. It helps in blood clotting.

• Insulin is a hormone released by the pancreas. It works with the digestive system and maintains energy homeostasis.

• Insulin is a hormone released by the stomach. It helps in digestion.

• Insulin is a hormone released by the kidneys. It helps in maintaining fluid balance.

What is negative feedback?

• A control system that helps the body maintain homeostasis by sending a signal to stop a response

• A system that helps the body maintain constant internal conditions when outside conditions change

• A control system that sends a signal to increase a response

• A system that coordinates the body's response to external stimuli

What is positive feedback?

• A control system that helps the body maintain homeostasis by sending a signal to stop a response

• A control system that sends a signal to increase a response

• A system that coordinates the body's response to external stimuli

• A system that helps the body maintain constant internal conditions when outside conditions change