Throat clearing, like coughs, is often a hangover from a viral respiratory infection such as a cold, and can persist after an infection for more than eight weeks. However, you donât mention having been ill, so the next thing to consider is your history of asthma.
And, vice versa. When the triceps contracts, pulling the lower arm back down to its starting position, the biceps relaxes. Most, but not all, of the skeletal muscles in your body work in these agonist-antagonist pairs. If the agonist flexes a muscle, then its antagonist extends the muscle.
Below are some things that the muscular system does. Without muscles or if our muscles failed then we could not do these things: You have over 30 facial muscles which create looks like smiling and frowning. Some muscles are known as voluntary. This means that we can control the actions of our muscles. Voluntary movements are such things as typing, kicking, and walking.