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Terms in this set (302)
- Most common in body
- Effectors return conditions to normal
- Shuts off when normal state is reached,
Negative feedback counters/corrects something
- Long-lived
- Think furnace thermostat
- BP, glucose, temp, hormones
- Change is intensified, keeps stimulating until
homeostasis is reached
Positive feedback - Can produce unstable conditions in the beginning
- Short-lived
- Labor, blood clotting, sneezing
To stand erect facing forward with arms at the sides
Anatomical position and palms of the hands turned forward with feet flat
on the floor
Anterior/Ventral Front
Posterior/Dorsal Back
Superior Top
Inferior Bottom
Medial Middle
Lateral Away from the midline
Bilateral Both sides
Ipsilateral Same side
Contralateral Opposite side
,Proximal Closer to the point of attachment
Distal Away from the point of attachment
Superficial Near the surface
Deep Away from the surface
Sagittal plane Divides body into left and right
Transverse plane Divides body into top and bottom
Coronal plane Divides body into front and back
Abdominal regions: both Hypochondriac
upper right and left
Abdominal regions: Epigastric
upper middle
Abdominal regions: Lateral
middle right and left
Abdominal regions: Umbilical
middle
Abdominal regions: lower Inguinal
right and left
Abdominal regions: lower Pelvic
middle
- Positively charged
Cation
- Loses electron to become stable
- Negatively charged
Anion
- Gains electron to become stable
- Strong
Ionic bond - Will lose or gain electrons
- Salt
- Strong
- Shares electrons
Covalent bond
- Polar, nonpolar
- Gases, H2O
- C & H are directly attached
Organic molecules
- Carbs, lipids, protein, nucleic acids
, - Does not have C & H both
Inorganic molecules
- HCO3 (Bicarb), H2O, O2, CO2, Salt
- Glucose
Carbs
- Main source of energy
- Fatty acids
Lipids
- Triglycerides
- Amino acids
Proteins - Last resort for energy
- Peptide bonds (weak)
- Nucleotides
Nucleic acids
- DNA, RNA
- Selectively permeable
Cell membrane - Made from lipids & proteins
- Tails in, heads out of phospholipid bilayer
- Cytosol
Cytoplasm
- Organelles
- Control center
Nucleus
- DNA & RNA made
- Stacks of vesicles
Golgi apparatus - UPS / transport center
- Refines, packages, delivers proteins made in RER
Nucleolus - Makes ribosomes
- Next to nucleus & rough
RER
- Makes proteins
- Attached to RER
Ribosomes
- Site of protein synthesis
- Smooth & shiny
SER
- Makes lipids & steroids
- Makes ATP
Mitochondria
- Powerhouse
- Protection (Lysol)
Lysosomes
- Contains digestive enzymes