BIOL 2255 EXAM 2 HIGH-YIELD GENETICS AND
MOLECULAR PROCESSES SUMMARY 2026
◉ bony borders of axilla.
Answer: clavicle, 1st rib, scapula
◉ pectoralis major m function.
Answer: felxes, adducts, and medially rotates arm
◉ pectoralis minor m function.
Answer: protracts and depresses scapula
◉ subclavius m function.
Answer: stabilizes and depresses clavicle
◉ sternali m.
Answer: extra muscle, runs along sternum
◉ tunica externa.
Answer: outermost layer of blood vessel wall
thickest in veins
, ◉ tunica intima.
Answer: innermost layer of blood vessel wall
◉ tunia media.
Answer: concentric sheets of smooth muscle that vasoconstrict or
vasodialate vessels
thickest in arteries
◉ veins.
Answer: carry blood to the heart
◉ arteries.
Answer: carry blood away from the heart
◉ anastomoses.
Answer: direct connection between two vessels by bypassing a
capillary bed, converge to supply the same body region
◉ arteriovenous anastomosis.
Answer: artery flows directly into vein bypassing capillaries,
alternate routes
MOLECULAR PROCESSES SUMMARY 2026
◉ bony borders of axilla.
Answer: clavicle, 1st rib, scapula
◉ pectoralis major m function.
Answer: felxes, adducts, and medially rotates arm
◉ pectoralis minor m function.
Answer: protracts and depresses scapula
◉ subclavius m function.
Answer: stabilizes and depresses clavicle
◉ sternali m.
Answer: extra muscle, runs along sternum
◉ tunica externa.
Answer: outermost layer of blood vessel wall
thickest in veins
, ◉ tunica intima.
Answer: innermost layer of blood vessel wall
◉ tunia media.
Answer: concentric sheets of smooth muscle that vasoconstrict or
vasodialate vessels
thickest in arteries
◉ veins.
Answer: carry blood to the heart
◉ arteries.
Answer: carry blood away from the heart
◉ anastomoses.
Answer: direct connection between two vessels by bypassing a
capillary bed, converge to supply the same body region
◉ arteriovenous anastomosis.
Answer: artery flows directly into vein bypassing capillaries,
alternate routes
