answer the following :
1)GAINA'S GIAIA CONCEPT.
2)GUINEA DISEASE .
3)PUNNET'S SQUARE METHOD.
4)HOW MANY CARTILAGES ARE THERE IN THE VOICE BOX OF HUMANS?
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The larynx is a cartilaginous segment of the respiratory tract located in the anterior aspect of the neck. The primary function of the larynx in humans and other vertebrates is to protect the lower respiratory tract from aspirating food into the trachea while breathing. It also contains the vocal cords and functions as a voice box for producing sounds, i.e., phonation. From a phylogenetic view, the larynx in humans has achieved its highest evolutionary development with the capacity to articulate speech, which is absent in invertebrates and fishes. The larynx is about 4 to 5cm in length and
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