Respiratory system

What dose Respiration describes?

• excretion of carbon dioxide

• breathing and the utilization of oxygen within

  the cells of the body

• The respiratory system Describe the route by which the supply of

  oxygen present in the atmospheric air enters the body

• Bronchioles and smaller air passages

What are the Functions of the respiratory system?

• The transport of carbon dioxide from the lungs to blood vessels

• The respiratory system provides the route by which the supply of

  oxygen present in the atmospheric air enters the body

• regulation of body fluids

• provides the route of excretion of carbon dioxide.

How many bronchus are present in the Right lung?

• 3

• 1

• 2

• 4

Answer explanation

(one bronchus to each lung)

Which of the following is NOT a organs of the respiratory system

• Larynx

• Nose

• Liver

• Pharynx

Nose and nasal cavity is

• epiglottis

• flexible

  cartilage

• Passageway for air and food

• the organ of sense of smell.

is the first of the respiratory passages through which

the inspired air passes

• The pharynx

• The Mouth

• The nose

• The lungs

The walls of the nasal cavity are formed by?

• several bones of the face

• bony

  tissue

• Nasal septum

• flexible

  cartilage

The right and left nasal cavities are separated

by the?

• the pharynx

• The anterior nares

• Nasal hair

• nasal septum

The back part of the septum is made of?

• tiny cavities

• bony

  tissue

• flexible

  cartilage

• Sinuses

Answer explanation

The back part of the septum is made of (bony tissue) and the front part of more flexible

cartilage

The mouth can increase the size of the airway

opening to increase the volumes of air that can

be inhaled.

• True

• False