Integumentary System - Protection from environmental hazards; temperature control, Skeletal System - Support, protection of soft tissues; mineral storage; blood formation, Muscular System - Locomotion, support, heat production, Nervous System - Directing immediate responses to stimuli, usually by coordinating the activities of other organ systems , Endocrine System - Secretions of hormones, directing long-term changes in the activities of other organ systems, Cardiovascular System - Internal transport of cells and dissolved materials, including nutrients, wastes, and gases, Lymphatic System/Immunity - Defense against infection and disease, Respiratory System - Delivery of air to sites where gas exchange can occur between the air and circulating blood, Digestive System - Processing of food and absorption of organic nutrients, minerals, vitamins, and water, Urinary System - Elimination of excess water, salts, and waste products; control of pH, Reproductive System - Production of sex cells and hormones,

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