Chapt oNe
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Early Students of anatomy and physiology were most concerned with? | treating illnesses and injury
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Anatomy | the structure of the body and its parts (what are things called)
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Physiology | studies the function of parts and asks how do they work?
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Anatomy and Physiology are closely interrelated because? | the function role of a part depends on how it is constructed
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Anatomists rely on? | observation and dissection
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physiologists rely on? | experiments
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More common to discover new ______information, but _____ are being made as well. | 1 Philological 2 Anabolic
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What are the 9 levels of organization from smallest to largest? | 1 Atom 2 Molecule
3 Macromolecules 4 Organelle
5 Cell 6 Tissue
7 Organ 8 Organ System
9 Organism
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Two or more atoms comprise a? | Molecule
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Atoms are? | simplest level
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Macromolecules are? | large, biologically important molecules inside the body
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Organelles are? | aggregates of macromolecules used to carry out a specific function in the cell
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Cells are? | the basic living unit
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Tissue | a group of cells functioning together
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groups of tissues form? | organs
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groups of organs function together as? | organ systems
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organ systems functioning together make up? | an organism
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10 Characteristics of life? | 1 Movement 2 Responsiveness
3 Growth 4 Reproduction
5 Respiration 6 Digestion
7 Absorption 8 Circulation
9 Assimilation 10 Excretion
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Movement can be? | internal or gross
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Responsiveness | reaction to internal or external change
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Growth | increase in size without change in shape
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Respiration | use of oxygen, removal of co2
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Digestion | breakdown of food into simpler forms
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Absorption | movement of substances through membranes and into fluids
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circulation | movement within body fluids
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Assimilation | changing nutrients into chemically different forms
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Excretion | removal of metabolic waste
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What are the requirement of organisms to maintain life? | water food oxygen heat and pressure
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Homeostasis | maintenance of a stable internal environment
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what are the 3 control systems of homeostasis? | Receptors, set point, effectors
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Receptors | provide information about certain conditions in the internal environment
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Set Point | what a particular value, temp, should be
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effectors | cause a response that alters the internal environment
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Negative feed back | takes the temp toward the set point
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positive feedback | takes a temp away from the set point
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The appendicular portion of the body? | the upper and lower limbs
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the axial portion of the body? | head neck and trunk
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organs within the dorsal and ventral cavity are called? | viscera
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Dorsal cavity can be divided into what 2 cavity's? | Cranial cavity and vertebral canal
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the ventral cavity is made up of? | Thoracic cavity, abdominalpelvic cavity
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Thoracic cavity is divided by the? | mediastinum
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abdominopelvic cavity divided into? | abdominal and pelvic cavity
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Diaphragm | thin muscle that separates the the thoracic and abdominopelvic cavities
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cavities within the head? | oral cavity, nasal cavity, orbital cavity, and middle ear cavity
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thoracic cavity is lined with? | pleural membranes
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parietal membrane | lines the cavities
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visceral pleura | covers the lungs
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a thin layer of _____ separates the parietal and visceral membrane? | serous
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The heart is surrounded by? | pericardial membranes
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The ____ makes up and outer sac around the heart? | parietal pericardium
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Covers the heart | visceral pericardium
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Peritoneal membranes | line the abdominopelvic cavity
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Lines the wall of the abdominopelvic cavity? | parietal peritoneum
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covers organs? | visceral peritoneum
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Integumentary system is? | body covering ( hair nails, skin) senses change outside the body, helps regulate body temp
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Skeletal system | made up of bones and ligaments. supports protects and provides frame work, stores inorganic salts, and houses blood-forming tissues
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muscular system | consist of the muscle that provide body movement posture and heat
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nervous system | brain, spinal cord, nerve and sense organs sends incoming info from receptors to impulses and muscle glands
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endocrine system | all glands that secrete hormones, helps integrate metabolic functions
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Cardiovascular system | made up of heart blood vessels, distributes oxygen and nutrients throughout the body while removing wastes from the cells
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lymphatic system | system consisting of lymphatic vessels, lymph nodes thymus and spleen drains excess tissues fluid and includes cells of immunity
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digestive system | mouth, esophagus, stomach intestines and accessory organs , receives breaks down and absorbs nutrients
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respiratory system | exchanges gasses between blood and air, made up of the lungs and passageways
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urinary system | kidneys, ureters bladder and urethra, removes waste from blood and helps maintain water and electrolyte balance
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reproductive system | produces new ogranisms
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male reproducitve system | testes accessory organs and vessels that conduct sperm to the penis
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female reproductive system | ovaries vagina uterine tubes uterus and external genitalia
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sagittal section | divides body into left and right positions
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transverse section | divides body into superior and inferior, "cross section"
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coronal section | divides the body into anterior and posterior sections
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abdomen divides into 4 main sections | right and left upper quadrants, and right and left lower quadrants
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