

This system includes the heart and blood vessels. This part controls the transportation of oxygen, nutrients, hormones, and waste.

This system consists of the spleen, tonsils, etc. It compliments the cardiovascular system. It cleans the blood and houses immunity cells.
This system obtains oxygen and removes carbon dioxide. It consists of the trachea, lungs, etc.

It's one continuous tube running from the mouth to the anus for processing nutrients. It consists of the esophagus, stomach, small intestine, etc.

This system removes nitrogen containing waste from the blood and releases them through urination. It consists of the kidneys, ureters, bladder, and urethra.

This system exists to produce offspring. It includes the penis, oaries, vagina, etc. It depends on the gender assigned at birth

This system is the external
covering of the body. It waterproofs
the body, regulates body temp., and the
location of pain and pressure receptors. This system has no major organs.
This system consists of bones, cartilages, ligaments, and joints. It protects and supports the organs. Helps with movement. Forms red blood cells and stores minerals. This system has no major organs.
Provides mobility for the body. The muscles only function is to contract. Produces heat. This system has no major organs.

This system consists of the brain and other sensory receptors. It's the fast acting control system of the body. It responds to internal and external stimuli.
This is the part of the body that controls activity using hormones. Slower than nervous system but the effects last longer. The major organs in this system are the oancreas, ovaries, testes, etc.