Yes it is
No, it is not. Bone is strong but it doesn't bend easily. Cartilage is more flexible.
They prevent the trachea from collapsing when there is no air in it. Being rings they allow for more movement, and being cartilage (as opposed to bone) they are softer and allow for some flexibility.
Leather. Usually calfskin. It's softer and more flexible.
contains hot molten rocks or magma
Usually it consists of crystals of a very hard substance embedded in a softer (more flexible) substance.
Because they have a hard outer shell with a softer interior.
Kangaroo leather is said to be better. It lasts longer, is softer and more flexible.
Usually it consists of crystals of a very hard substance embedded in a softer (more flexible) substance.
Made from different materials. Bakelite is hard and rather brittle, polythene is softer and flexible.
well the hard stemm is woody so im guessin the other stem is the herbaceous stem
cartalidge is located at the top of your ear. The spot that is softer than a bone but harder than fat.
A child's airway differs from that of an adult in that the child's tongue is proportionately larger in the oropharynx compered to that of an adult. Also, a child's airway is smaller and softer and more prone to foreign body obstruction. An infant's airway is smaller and softer still and the trachea is usually about the diameter of a pencil.