Human Body Systems and Immune System

Front

This system is responsible for breaking food down into useable nutrients.

Back

Digestive

Front

This system allows oxygen to enter the bloodstream.

Back

Respiratory, respiratory system

Front

This system works with the skeletal system to allow you to swim.

Back

Muscular, muscular system

Front

Without this system, oxygen could not reach the brain.

Back

Circulatory, circulatory system

Front

The body uses negative feedback to maintain __________.

Back

homeostasis

Front

An example of homeostasis is sweating when you are hot. Sweating helps maintain your body's

Back

temperature level

Front

Which system protects your brain and lungs?

Back

skeletal system

Front

Which system works with the digestive system to allow nutrients to reach the muscles?

Back

circulatory, circulatory system

Front

Which system helps move food through the small intestines?

Back

muscular, muscular system

Front

Which system releases hormones that help regulate growth?

Back

endocrine, endocrine system