Hesi A&P Study Guide :HESI A2 ANATOMY & PHYSIOLOGY: A+Guide Solution

The structural makeup of an organism Anatomy The study of anatomy concerned with microscopic features of the body Fine Anatomy The study of anatomy concerned with the features of the body visible without a microscope. Gross Anatomy Refers to the functions of an organism, and it examines the chemical or physical functions that help the body fuction appropriately. Physiology All parts of the human body are build of individual units called: Cells Groups of similar cells are arranged into: Tissues Different tissues are arranged into: Organs Organs working togther form: Organ Systems The human body has twelve organ systems that govern: Circulation, digestion, immunity, hormones, movement, support, coordination, urination, excretion, reproduction, respiration, and general protection. Body Cavities Different hollow spaces that house organs in the body. Cranial Cavity The cranial cavity is surrounded by the skull and contains organs such as the brain and pituitary gland. Thoracic Cavity The thoracic cavity is encircled by the sternum (breastbone) and ribs. It contains organs such as the brain and pituitary gland. Abdominal Cavity The abdominal cavity is