Yep it is very possible that the pressure behind your nose is due to sinus congestion. The sinus congestion may be due to a mucus blockage or mucus membrane inflammation. it is important that you get treatment for your congestion because it can lead to a sinus infection.
There are many products available in the market that can help decongest your sinuses, such as SinusWars7, The netiPot or you may even be able to use a saline solution (salt/water).
Sometimes. Making a sound when you blow your nose depends on how much pressure you put behind the blowing.
Blowing your nose will release pressure from your sinus'. Also any medicine for the common cold in corect doses
The nasopharynx is the space behind the nose.
Eyes, top of skull, temple, side of neck, behind ear, throat, arm pit, base of nose, behind chin and in-between the shoulder blades
The hollow space behind the nose is called the hot dog sinus
Blood pressure has nothing to do with the size of your nose.
Eyes, top of skull, temple, side of neck, behind ear, throat, arm pit, base of nose, behind chin and in-between the shoulder blades
pharynx
No
inhale
No! Applying pressure to your nose only makes it swell up even bigger and turn bright red
The nasopahrynx is the cavity behind the nose.