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.
The purposes of reflecting are: 1  To allow the speaker to 'hear' their own thoughts and to focus on what they say and feel. 2  To show the speaker that you are trying to perceive the world as they see it and that you are doing your best to understand their messages. 3  To encourage them to continue talking.