human physiology
The most well-known human reflex is the knee-jerk (or patella) reflex. This is the one where you use a reflex hammer to hit the tendon just below the kneecap (or patella). The leg jerks out like you're kicking.
An automatic response to the environment is a reflex
if your talking about the human reflex it normally disappears by the third month after birth. Many animals also have a placing reflex.
giggling has three syllables
The girls were giggling.Giggling, she handed me a note. The whole class started giggling.
A. abdominal reflex H. plantar reflex
garish giggling girls, gripping greatly grasping at gold goggles
It can be, when describing a noun. However, it is a verb form, the present participle of to giggle, and may also be a noun (gerund).
YES
Its a verb
Giggling