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Circulatory system |
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Endocrine system |
| The endocrine system is an integrated system of organs which involve the release of extracellular signaling molecules known as hormones. The endocrine... | |
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Immune system |
| An immune system is a collection of mechanisms within an organism that protects against infection by identifying and killing pathogens and tumor cells... | |
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Integumentary system |
| In zootomy, the integumentary system is the external covering of the body, comprising the skin, hair, feathers, scales, nails, sweat glands and their ... | |
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Lymphatic system |
| The lymphatic system is a complex network of lymphoid organs, lymph nodes, lymph ducts, lymphatic tissues, lymph capillaries and lymph vessels that pr... | |
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Muscular system |
| The muscular system is the biological system of an organism that allows it to move. The muscular system in vertebrates is controlled through the nervo... | |
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Nervous system |
| The nervous system of an animal coordinates the activity of the muscles, monitors the organs, constructs and also stops input from the senses, and ini... | |
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Reproductive system |
| The reproductive system is the ensembles and interactions of organs and/or substances within an organism that strictly pertain to reproduction. As an ... | |
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Respiratory system |
| Among quadrupeds, the respiratory system generally includes tubes, such as the bronchi, used to carry air to the lungs, where gas exchange takes place... | |
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Skeletal system |
| In biology, the skeleton or skeletal system is the biological system providing physical support in living organisms. (By extension, non-biological out... | |
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Urinary system |
| The urinary system is the organ system that produces, stores, and eliminates urine. In humans it includes two kidneys, two ureters, the bladder, and t... | |
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