The mouth and nose are connected in the throat. When a person does CPR on another person and breathes into the mouth, they have to pinch the nose close or the air will come out of the nose instead of going into the lungs. When a person is intubated before surgery, care has be taken so that the tube doesn't go down into the stomach but into the lungs.
giggling has three syllables
The girls were giggling.Giggling, she handed me a note. The whole class started giggling.
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
yes
Giggling in a high-pitched voice.
two
when they are smiling and giggling
If you are ticklish, you start giggling.