Integumentary system - System consisting of the skin and its associated structures, such as the hair, nails, sweat glands, and sebaceous glands, Skeletal system - Supports the body; protects internal organs; allows movement; stores mineral reserves; provides a site for blood cell formation, Muscular system - Works with skeletal system to produce voluntary movement; helps to circulate blood and move food through the digestive system, Circulatory system - Brings oxygen, nutrients, and hormones to cells; fights infection; removes cell waste; helps to regulate body temperature, Endocrine system - A system of glands, each of which secretes a type of hormone into the bloodstream to regulate the body, Nervous system - Recognizes and coordinates the body's response to changes in its internal and external environments, Digestive system - Converts foods into simpler molecules that can be used by the cells of the body; absorbs food; eliminates wastes, Reproductive system - Produces reproductive cells; in females, nurtures and protects developing embryo, Lymphatic system - Helps protect the body from disease; collects fluid lost from blood vessels and returns the fluid to the circulatory system, Excretory system - Eliminates waste products from the body in order to maintain homeostasis, Respiratory system - Provides oxygen needed for cellular respiration and removes excess carbon dioxide from the body, Tissue - A collection of interconnected cells that perform a similar function within an organism, Organ - A collection of tissues joined in structural unit to serve a common function, Organ system - A group of organs related by a common larger function or set of functions, Homeostasis - The ability of an organism or cell to maintain equilibrium by adjusting its physiological processes,

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