The three main functions of the larynx are swallowing, talking and breathing. It is usually 2 inches long, and is a member of the respiratory system, being situated between the trachea and pharynx.
The larynx contains an outer layer of cartilage on the front of the neck, which is commonly referred to as the Adam's apple. It also consists of two bands of muscle in the shape of a "V" that act as the vocal chords. The vocal chords become tighter and constrict when speaking while becoming relaxed for the duration of breathing. When an individual inhales, air enters the nose and mouth while going in the opposite direction when exhaling.Learn More
Collagen gives skin its strength and waterproof capabilities, while collagen and elastin together give it elasticity. They are both proteins essential to the function of vertebrae animals.Full Answer >
The five functions of the skin are protection, regulation of heat, secretion, excretion and absorption, according to Skin Genetix. There are two sections of the skin, the epidermis and the dermis, each of which aids in the functions in a different way.Full Answer >
Human hair functions as a means of regulating body temperature and it acts as a sensory organ. Hair also helps to protect the skin from external damage such as sun, wind and foreign particles.Full Answer >
The four primary functions of the nervous system are the sensory, communicative, integrative and motor functions. The nervous system allows the body to respond quickly to various stimuli.Full Answer >