What Are The Organs In Animals?
What Are The Organs In Animals? System of the Body Organs in the Body Circulatory heart, blood vessels Respiratory muzzle, windpipe, lungs Urinary kidneys, bladder Nervous brain, nerves spinal cord What are the organ system of animals? Encyclopædia Britannica, Inc. In the more advanced animals, there are usually 10 organ systems: integumentary (skin), skeletal, muscular,