Collective term for the three bones that make up the middle ear

Name the bones that make up the pectoral (shoulder) girdle.

Middle ear has

Middle ear has

With reference to the human ear, answer the questions that follow : Name the three small bones present in the middle ear. What is the biological term for them collectively?

From outer to inner side, the sequence of three bones present in the middle ear of mammals is

Based on the diagram drawn above in (i) give a suitable term for each of the following description: The membrane covered opening that connects the middle ear to the inner ear.

Which bones make the shoulder girdle?

The collective term for condensed horizontal underground stem is

An iron needles is attracted to the ends of a bar magnet but not to the middle region of the magnet. Is the material making up the ends of a bar magnet different from that of the middle region?

Name the tube which connects the cavity of the middle ear with the throat.