1. respiratory system, digestive system, reproductive system
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function of mucous membranes
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1. line body cavities that open to the outside of the body
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sebaceous glands
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1. produces sebum which lubricates skin and lowers the pH of skin to kill bacteria 2. located all over the body except for palms and soles of your feet
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arrector pili
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1. Small involuntary muscles that contract to make the hair stand up straight 2. found in dermis
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adipose tissue
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1. under the skin, in hypodermis 2. fat
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apocrine glands
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1. sweat glands used to attract opposite sex 2. found in the axillary and pubic regions, dermisim
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compact bone
strongest type of bone
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spongy bone
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1. not as strong as compact bones, porous appearance, absorbs shock
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closed factures/simple
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1. clean break where bone does not go through the skin 2. closed reduction, setting bones together from the outside of skin
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open fractures/compound
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1. bone breaks and end push through the skin 2. open reduction, surgery
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greenstick fracture
splinters on one side and stays intact on the other, doesnt break all the way through
most common in children
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sutures
immovable meeting point of two bones, often in skull
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articulations
joints where two bones come together
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Skeletal muscles
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1. voluntary 2. striated/striped 3. attached to skeleton
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smooth muscles
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1. involuntary 2. found in the walls of hollow organs 3. unstriated
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cardiac muscles
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1. involuntary 2. striated/striped 3. make up heart
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tendons
connects muscle to bone, strong and cord-like
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ligaments
fibrous connective tissue that attaches bone to bone
happens when too little Growth Hormone is secreted
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1. Pituitary Dwarfism, below average growth
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happens when too much Growth Hormone is secreted
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1. Gigantism, increased height and features compared to average people 2. Acromegaly, abnormal growth of the hands, feet, and face
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female sex hormones
estrogen and progesterone
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male sex hormones
testosterone
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another name for adrenaline
epinephrine
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blood cell and molecule responsible for the transportation of oxygen
hemaglobin in red blood cells
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Sickle Cell Anemia
genetic disorder; rbcs are cresent and sickle shaped; commonly seen in black people, prevent malaria
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hemophilia
sex-linked genetic disorder; lack of one or more of the clotting proteins needed for coagulation
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Group A blood cells
anti-B antibodies; A antigens
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group B blood cells
anti-A antibodies; B antigens
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group AB blood cells
no antibodies (universal recipient); A and B antigens
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group O blood cells
anti-A and anti-B antibodies; no antigens (universal donor)
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Apex
bottom tip of the heart, tilted directly to the left
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chordae tendinae
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1. heartstrings; open and close flaps of the valves
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myocardium
1. the major portion of the heart. heart wall 2. consists of cardiac muscle
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atria
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1. receive blood from the body 2. upper two chambers of the heart 3. walls are thinner than ventricles
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pathogens
harmful or disease causing microorganisms
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white blood cells
bodys defense against disease
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pus
Dead WBCs, dead tissue, dead pathogens
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B Lymphocytes
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1. humoral immunity 2. produce antibodies 3. can bind with free antigens
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T Lymphocytes
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1. do not produce antibodies 2. cell-mediated immunity 3. can not bind with free antigens without macrophages
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antigen-presenting cell
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1. A macrophage that presents a foreign antigen by engulfing it and then presenting it along with some of its own antigen on its cell surface 2. Must be done for T Cell to recognize the foreign antigen
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immunosuppressive therapy
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1. prevents tissue rejection after a skin graft
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allergies
vigorous immune response to a foreign substance
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anaphylactic shock
when an allergen goes directly into the bloodstream
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allergens
anything that can cause an allergic reaction
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vaccination
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1. The dead pathogen that you are vaccinating against
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edema
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1. localized swelling caused by the accumulation of tissue fluid
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the relationship between plasma, tissue fluid and lymph
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barriers to entry (ns body defense)
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1. skin kills bacteria through sebum, mucous membranes kill bacteria through slaiva,