11 Body systems Flashcards
Components + Functions
MURDERS LINC
Muscular, Urinary, Respiratory, Digestive, Endocrine, Reproductive, Skeletal, Lymphatic (+ immune), Integumentary, Nervous, Cardiovascular
Components of the Muscular system
skeletal muscles, axial muscles, appendicular muscles, tendons, aponeuroses
Skeletal muscles
movement/support, protect soft tissues, controls entries and exits of the body (respiratory, digestive and urinary)
Axial muscles
support + positioning of the axial skeleton
Appendicular muscles
support + move limbs
tendons
connection muscle to bone
aponeuroses
connection muscle to muscle
Components of Urinary system
kidneys, ureters, bladders, urethra
kidneys (urinary system)
produce urine (remove liquid waste - urine), regulation of blood pressure + pH + ions, assist in red blood cells production
ureters (urinary)
conducts urine to bladder
bladder
stores urine before elimination
urethra (urinary system)
conducts urine to exterior
Components of Respiratory
nasal cavity + paranasal sinuses, pharynx, larynx, trachea, bronchi, lungs, diaphragm
nasal cavity + paranasal sinuses
filter/warm/humidify air + smelling
pharynx (respiratory system)
conducts air to the larynx
larynx
protects opening to trachea, contains vocal cords
trachea
conducts air
bronchi
conducts air between trachea and lungs
lungs
air movement, gas exchange of oxygen and CO2 in alveoli, acid + base control
diaphragm
muscle for air movement
Components of Digestive System
oral cavity, salivary glands, pharynx, oesophagus, stomach, small intestine, liver, gallbladder, pancreas, large intestine
oral cavity
breaks down food
salivary glands
enzymes = begins digestion
pharynx (digestive system)
conducts solid food + liquid to oesophagus
oesophagus
deliver food to stomach
stomach
secretes acid (breaks down food), pepsin enzyme (digest proteins), hormone gastrin (increase stomach mobility)
small intestine
digestive enzymes (breaks into smaller molecules), absorbs nutrients
liver
secretes bile (aids digestion), regulates nutrients in blood
gallbladder
stores bile
pancreas (digestive system)
digestive enzymes (digest proteins), endocrine cells (make hormone insulin to control blood sugar levels)
large intestine
water removal + waste storage and removal
Components of Endocrine system
pineal gland, hypothalamus, thyroid gland, parathyroid gland, thymus, adrenal glands, kidneys, pancreas, gonads
pineal gland
controls day/night rhythms (body rhythms) - Melatonin
hypothalamus
secretes hormones and regulates growth
thyroid glands
have hormones thyroxine = regulates body’s metabolic rate
parathyroid gland
regulation of Ca levels in blood