The Sensory System : Nose & Tongue

Label the taste buds of the tongue from A - D

Answer explanation

Tiny hairs that trap dust and germs in the nose are called ?

• Sensory hairs

• Cilia

• Gustatory hairs

• Flagella

In order for the brain to detect smell which types of cells must be present in the nose ?

• Olfactory nerve cells

• Auditory nerve cells

• Optic Nerve Cells

• Nasal cavity cells

Which description is true about the nose ?

• The nose is made up of scar tissue and adipose tissue

• The nose is made up of bones, cartilage, tissue and is divided into 4 nasal cavities

• The nose is only made up of bone and sensory nerve endings

• The nose is made up of bones, cartilage, tissue and is divided into 2 nasal cavities

Describe HOW WE SMELL in 4 steps :

Answer explanation

1. Air enters nasal cavity

2. Chemicals dissolve in mucous lining

3. Chemicals stimulate the olfactory cells which sends messages to the brain

4. The brain interprets odor as smell

Which description about the tongue is INCORRECT?

• The rough appearance of the tongue is due to taste buds

• The tongue helps with chewing and swallowing

• Without a tongue we would not be able to speak

• The tongue is a like a muscle

Answer explanation

Papillae makes the tongue rough and bumpy

Describe in 4 steps HOW WE TASTE:

Answer explanation

1. Taste buds detect chemicals dissolved in saliva in the mouth

2. Chemicals stimulate taste buds

3. Stimulated taste buds send electrical messages along the nerve cells to the brain

4. Brain interprets message as sweet, salty, sour or bitter

Tags

NGSS.MS-LS1-8

How many sensory organs do we know in the body ?

• 5

• 6

• 4

• 7

Answer explanation

The skin (somatic sensation)

The ears (auditory system)

The eyes (vision)

The tongue (gustatory system)

The nose (olfactory system)

Tags

NGSS.MS-LS1-8

Which sensory organ is NOT correctly match with the appropriate nerve ?

• Eyes - Optic Nerve

• Ears - Auditory Nerve

• Ear - Semicircular nerves

• Skin - Sensory Nerve Endings

Answer explanation

The auditory nerve (vestibulocochlear nerve) - Ear

Tags

NGSS.MS-LS1-8