ANATOMY

Detailed explanation-1: -Although many types of viruses can cause a common cold, rhinoviruses are the most common cause. A cold virus enters your body through your mouth, eyes or nose. The virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks.

Detailed explanation-2: -How a Common Cold Starts. You can catch it from another person who is infected with the virus. This can happen by direct physical contact with someone who has a cold, or by touching a surface contaminated with their germs–like a computer keyboard, doorknob or spoon—and then touching your nose or mouth.

Detailed explanation-3: -Many different respiratory viruses can cause the common cold, but rhinoviruses are the most common. Rhinoviruses can also trigger asthma attacks and have been linked to sinus and ear infections.

Detailed explanation-4: -The term “germs” refers to the microscopic bacteria, viruses, fungi, and protozoa that can cause disease.