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68C Ch.1 Ph.1 T.2

Hole's Essential of A&P: Chapter 1: Intro to A&P

Factors that stimulated early interest in human body concerned about injuries/illnesses, learned how herbs/potions affect body. Greek and latin words form basis
Why is it difficult to separate topics of A&P structure of body parts are closely associated c functions
What is an organism any living thing
Characteristics of life (DECAGRAM RR) movement responsiveness growth reproduction respiration digestion absorption circulation assimilation excretion
How are characteristics of life dependent on metabolism? rely on metabolism to provide energy, fuel life processes
Why is homeostasis important to survival? maintain stable internal environment that regulates body temperature, BP etc.
Two homeostatic mechanisms? a.negative feedback b.positive feedback homeostatic mechanism-monitors particular aspect of internal environment, corrects changes
what does viscera mean? organs in a body cavity
Cavities of the head (4) Oral cavities(teeth/tongue) nasal cavity(right/left portions of septum) orbital cavities(eyes) middle ear cavities(middle ear bones)
Name major organ systems (11) (DULCIMERS RN) reproductive integumentary urinary skeletal muscular respiratory nervous digestive lymphatic endocrine cardiovascular
What is anatomical position body standing erect,face forward,c upper limbs at sides and palms forward
Describe three types of body sections 1.sagittal-right/left equal parts 2.transverse-superior/inferior portions 3.frontal/coronal-anterior/posterior
nine regions of abdomen hypochondriac(R/L) Iliac(R/L) lumbar(R/L) gastric(epi/hypo) Umbilical region
Organizational levels of the human body Atom Molecule Macromolecule Organelle,Cell Tissue Organ Organ system Organism
Requirements of Organisms (5) (WHOP F) Water(metabolic processes,transport,regulate body temp)Foods(energy,regulate vital chemical reactions)Oxygen(release energy)Heat(more heat=faster chem. reaction) Pressure(heart action)
Self-regulating control systems (3) Receptors-info specific conditions in internal environment Set point-what particular value should be Effectors-cause responses alter conditions
Most feeback mechanisms in the body: positive produce, unstable conditions, deviate from set point, require only receptor and effector
Axial skeleton make up Head,neck,trunk
Appendicular skeleton make up Extremities
Integumentary System (organs/function) Skin hair nails sense receptors sweat glands sebaceous glands/protects underlying tissues regulate body temp senses synthesizes production of vit D
Skeletal System (organs/function) Bone,joints>ligaments,cartilage/supports, protects,framework,protective shields,stores inorganic salts
Muscular System (organs/function) muscles/provide body movement posture body heat
Nervous System (organs/function) brain spinal cord nerves,sense organs/integrates incoming info. from receptors, sends impulses to muscles and glands called neurotransmitters
Endocrine System (organs/function) all glands that secrete hormones ie hypothalamus pituitary pineal thyroid,thymus adrenals pancreas ovaries/integrate metabolic functions, chemical messengers-hormones
Cardiovascular System (organs/function) heart arteries veins capillaries blood/ distibutes oxygen and nutrients throughout body while removing wastes
Lymphatic System (organs/function) lymphatic vessels lymph nodes thymus gland spleen lymph fluid/transport fluid back to bloodstream, removes disease-causing MO's
Digestive System (organs/function) mouth esophagus stomach,intestines accessory organs/receives breaks down absorbs nutients
Respiratory System (organs/function) nasal cavity pharynx larynx trachea bronchi lungs/ exchange gases between blood and air
Urinary System (organs/function) Kidneys ureters urinary bladder urethra/removes waste from blood helps to maintain water, electrolyte balance
Reproductive System (organs/function) MALE Testes Accessory organs vessels scrotum penis
Reproductive System (organs/function) FEMALE ovaries genitalia mammary glands
What is the parietal membrane attached to? wall of a cavity
What is the visceral membrane attached to? covers internal organs
Created by: ajwildasin30
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