lecture 1 Flashcards
Physiology
function of body and living systems
pathology
study of a disease
Six Levels of Organization
-molecules
-organelles
-cells
-tissues
-systems
-organism
Integumentary system
skin, nails, hair
Skeletal System
bones and cartilage
Muscular System
-smooth
-skeletal
-cardiac
Nervous System
nerve cells that transmit nerve impulses to body
Endocrine system
system of glands
Cardiovascular System
heart, arteries, veins
Lymphatic System
lymph fluid
Respiratory System
gas exchange, lungs, airways
Digestive system
ingestion, digestion, and absorption of food
Urinary System
kidneys, ureters, bladder, urethra, sphinchter
Reproductive System
ovaries, fallopian tubes, uterus, cervix, vagina
Metabolism
chemical reaction where food is broken down to create energy
catabolism
breaking down
anabolism
building up
homeostasis
internal balance, stable equilibrium
extracellular fluid
fluid outside cell
intracellular fluid
fluid inside cell
negative feedback
reverse the action (ex: ovulation)
positive feedback
promotes continued activity (ex: exercise)
dorsal cavity
posterior (cranial and spinal cavity, brain, spinal cord)
ventral cavity
anterior (thoracic cavity and abdomial-pelvic cavity)
what is located in the right lumbar region
asending colon
what is located in the umbilical region
intestines
what is located in the left lumbar region
descending colon
what is located in the right iliac
appendix
what is located in the left iliac
sigmoid colon
what is located in the hypogastric
uterus, urinary bladder
molecules
group of atoms bonded together
compound
2 or more different chemical elements
cation
positive
anion
negative
hydrophilic
likes water
hydrophobic
hates water
ionic bonds
electrons transferred between atoms (marriage for money)
covalent bonds
chemical bond where atoms are shared ( marriage for love)
pH of blood
7.35-7.45
pH of stomach
2
acidic pH
stomach acid
alkaline pH
enzymes produced by small intestine
