During inspiration, fresh air enters the respiratory system through the pared external nares (nostrils; shown here) and/or the oral cavity to the pharynx. Air then travels through the glottis into the trachea, through the bronchi and bronchioles to reach the alveoli.
Tracking your flexibility over time as you train. There are no requirements on how flexible you need to be and there is no correlation of your length of life or muscle strength with how flexible you are.
C. ophthalmic medication
The most common form of medications for ear and eye problems are in drops. When the pharmacists dispense medications for the eyes or ears, they must double check the labels to prevent errors, specially because (the type of) antibiotics used for infections of the eyes and ears are similar.
So there is nothing interfering with the measurement of the weight. If something is on the weight pan, the weight will be higher than it should be.
