Collects lost fluid and returns it back to the blood

The brain, spinal cord and nerves are part of this system

This system eliminates cellular waste through urine

This system is a network of cells, tissues and organs that defend against invaders

This system contains the heart and blood vessels (veins and arteries).

This system converts food into smaller molecules

This system allows for the continuation of a species

This system contains glands that produce hormones.

This system filters out disease causing organisms and produce disease fighting T cells and B cells.

This system produces gametes.

This system provides structure and support for the body and protects vital organs.

This system can be broken down into three different types of tissues: cardiac, skeletal and smooth

This system has a thyroid, pineal, and pituitary gland.

This system is the first line of defense against injury and invasion.

This system contains kidneys, ureters, bladder and urethra.

This system carries oxygen and nutrients to the entire body.

Parts of this system include the mouth, pharynx, esophagus, stomach and intestines.

This system regulates body temperature by helping retain heat or releasing excess heat through pores

This system works with the skeletal system to produce movement.

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