Nasal Cavity College Essays Samples For Students

Exercise 1: Anatomy of the Respiratory System

What are the two functions of the larynx?
Larynx is a cartilaginous and a muscular structure while holds vocal cords together. It is used by human beings to talk, swallow and breathe. It is lined by the mucous membrane hence forming part of the respiratory system. Larynx protects the airways by closing quickly after mechanical simulation hence stopping respiratory and curbing the entry of foreign substances into the airways. The larynx also produces sound, controls ventilation and acts as a sensory organ.

Where does gas exchange take place in the lungs?

Gaseous exchange occurs in the lungs and for it to take place; there is the need for a place where ...

Abstract

Head-and-neck cancer is a term used generally to explain malignancies located in the oral and nasal cavities. Hypopharyngeal, laryngeal, nasopharyngeal, Oral and oropharyngeal, paranasal sinus, salivary gland and nasal cavity cancer are common types of HNCs. This paper describes laryngeal cancer, which is one type of HNC, in terms of facts and figures, causes and symptoms, diagnosis and treatment. The salient facts include: 1100 cases of laryngeal cancer are reported annually, accounting for 25% of HNCs; Laryngeal cancer is associated with smoking and the risk is increased through alcohol consumption; Diagnosis is done through mirror exam or physical exam; symptoms ...

Cardiovascular system

The cardiovascular system is also known as the circulatory system, and it is the body’s transportation system that comprises the heart, blood vessels, and blood. The system does the work of transporting oxygen, hormones, cellular waste products and nutrients to all the parts of the body. The use of blood transports all the products, and it is approximated that the body of an adult makes use of five liters of blood to transport the products from one part to the other. Blood is pumped from the heart through the arteries then gets into body tissues through capillaries (Inner ...