The saliva has enzymes that start to break down food using the lock and key system.The teeth chews the food and begins mechanical break down of food
The piano could only be played with 12 fingers, which is rare because humans normally have ten fingers.
It going to be two students
6.88
Ultimate control of testes development is by the hypothalamus which secretes Gonadotropin-Releasing hormone.
Hypothalamus is the one that send signals to your pituitary gland to produce Gonadotropin, which will determine how much testosterone your body produce. which will directly impact testes Development.
Answer:
<em>The correct option is C) C-shaped cartilage rings </em>
Explanation:
The trachea is commonly known as the wind-pipe. The trachea can be described as about a 4 inch long passage from which the air travels into the bronchi and lungs. The pathway of the trachea is kept open by C- shaped cartilages which are lined all over in the trachea. The C-shaped cartilages protects as well as maintain the shape of the wind-pipe. The rigidity of the trachea arises from the C-shaped cartilages.
