state the type of stimulus that would cause a knee jerk reflex to occur
Patellar reflex The term knee-jerk was recorded by Sir Michael Foster in his Textbook of physiology in 1877: "Striking the tendon below the patella gives rise to a sudden extension of the leg, known as the knee-jerk."[4]
Swallowing 5) Closure of the nasopharynx
Cerebrum With the assistance of the cerebellum, the cerebrum controls all voluntary actions in the body.
g-force Human tolerances depend on the magnitude of the g-force, the length of time it is applied, the direction it acts, the location of application, and the posture of the body.[7][8]:350