Understanding the Human Ear

This video explains how our ears allow us to hear by breaking down the ear into three parts: the outer ear, middle ear, and inner ear. The outer ear gathers sound waves, which travel through the ear canal to the eardrum, causing it to vibrate. These vibrations are transferred through three small bones in the middle ear: the malleus, incus, and stapes. The vibrations then move into the cochlea in the inner ear, where they are converted into nerve impulses sent to the brain. The video also briefly mentions the ear's role in maintaining balance through semicircular canals.

What are the three main parts of the human ear?

• Outer ear, middle ear, inner ear

• Eardrum, cochlea, semicircular canals

• Ear canal, eardrum, cochlea

• Hammer, anvil, stirrup

What is the function of the outer ear?

• To transmit nerve impulses

• To convert sound into vibrations

• To gather and funnel sound waves

• To balance the body

What separates the outer ear from the middle ear?

• Cochlea

• Semicircular canals

• Eardrum

• Stirrup

Which bone in the middle ear is also known as the hammer?

• Malleus

• Incus

• Stirrup

• Cochlea

How do the bones in the middle ear transmit sound?

• By amplifying sound waves

• By absorbing sound waves

• By converting sound waves into electrical signals

• By vibrating against each other

What is the role of the cochlea in the inner ear?

• To gather sound waves

• To protect the eardrum

• To balance the body

• To convert vibrations into nerve impulses

What happens when the fluid in the cochlea vibrates?

• It protects the eardrum

• It gathers sound waves

• It balances the body

• It stimulates receptors

Which part of the ear is responsible for balance?

• Outer ear

• Middle ear

• Eardrum

• Inner ear

What are the semicircular canals responsible for?

• Sound gathering

• Vibrations

• Balance

• Hearing

What is the main function of the ear?

• To transmit light

• To protect the brain

• To balance the body

• To gather and interpret sound