Low Oxygen and Symptoms of Atrial Fibrillation. Atrial fibrillation can decrease the amount of blood your heart pumps with each beat by as much as 20 to 30 percent. As a result, other symptoms will occur when your body isn't getting enough oxygen and nutrients. These include:
The function of the speaker it to talk about the topic for which s/he was engaged, or to the common interest of the group. If you mean an electronic device, a speaker is to â¦ amplify sound. 2 people found this useful.
Approaching the Speaking Situation: Audience, Occasion, Purpose. Communication, both spoken and written, is always addressed to an audience, a set of listeners or readers you are intending to convey information to or have some effect upon. Public speaking differs from written communication in that the audience is present, gathered for some occasion. That occasion has norms and expectations that a speaker must recognize. Finally, a public speaker has some purpose, something they are trying to accomplish or set in motion. Good public speaking always accounts for these three components. Audience. Speakers communicate differently to different audiences.