Synovial Joints
Joint type found at the knee
Hinge
What is the molecule that causes the myosin head to enter the cocked position?
ATP
What 2 criteria names this muscle: Orbicularis oris
direction of muscle fibers (orbicularis = round) & location (oris = mouth)
Which blood vessel type has largest diameter?
vein
What is plaque buildup in arteries called?
atherosclerosis
Give an example of a ball and socket joint
shoulder or hip
What is the ion that binds to the troponin complex?
Ca 2+/calcium ion
What 2 criteria name this muscle: rectus femoris
action (rectus = standing) & location (femoris = leg)
What is the only artery that carries deoxygenated blood?
pulmonary artery
What kind of connective tissue connects bones to bones?
ligament
Joint type found in neck vertebrae
pivot
What is another name for the thick filament?
myosin
What criterion names this muscle: rhomboid
shape (rhomboid = rhombus shape)
What is the purpose of a valves in the heart and veins?
prevent backflow of blood
Which movement occurs when moving a limb away from the medial plane of the body?
abduction
Joint type found in the thumb
saddle
What molecule covers the binding sites on actin?
tropomyosin
What criterion names this muscle: quadriceps
number of attachment points (quad = 4)
Which node is the pacemaker node and which heart chamber is it located in?
SA (sinoatrial) node, located in right atrium
Which type of muscles lacks arrangement into sarcomeres, giving it an unstriated appearance?
smooth
Joint type between radius and carpals
condyloid/ellipspoidal
What is the functional unit of the muscle called?
sarcomere
What 2 criteria name this muscle: transverse abdominis
direction of muscle fibers (transverse = across) & location (abdominis = abdominal)
What can form when blood vessel valves malfunction?
varicose veins
hemoglobin