respiratory part 1

Definition of Alveolus:

• A tiny air sac in the lungs that facilitates gas exchange

• A type of muscle found in the body

• A component of the digestive system

• A cell that transmits impulses

The definition of Bronchus is:

• The main support structure of the lung

• The large blood vessel carrying blood to the brain

• A passage for air in the lungs

• A type of cell found in the lung tissue

Homeostasis is defined as:

• The maintenance of internal stability in response to a changing environment.

• The process of adapting external conditions to suit internal needs.

• A mechanism for accelerating reaction rates in the body.

• An uncontrolled state of physiological imbalance.

Definition of Larynx:

• An organ in the neck involved in breathing, producing sound and protecting the trachea against food aspiration.

• A digestive organ that processes food.

• A part of the brain that controls emotions.

• A limb responsible for movement.

Definition of Pharynx:

• A muscular tube connecting the nasal and oral cavities to the larynx.

• A sensory organ responsible for balance.

• A part of the digestive system involved in absorption.

• An external body covering that protects internal organs.

Definition of Respiration:

• The process of breathing alone

• The process of cellular metabolic activity involving gas exchange and energy production

• Only the absorption of oxygen

• Only the release of carbon dioxide

Definition of Trachea:

• A tube that connects the larynx to the lungs

• A structure found in the digestive system

• A type of muscle in the neck

• A component of the circulatory system

What is the organ of the respiratory system that is responsible for filtering and humidifying the air we breathe?

• Nose

• Lungs

• Trachea

• Pharynx

Which organ of the respiratory system connects the nasal cavity to the larynx?

• Pharynx

• Larynx

• Trachea

• Bronchi

What is the organ of the respiratory system that houses the vocal cords?

• Larynx

• Trachea

• Pharynx

• Lung