Respiratory system class 2

The air sacs that are covered with capillaries where gas exchange takes place

• bronchi
• lungs
• oxygen
• alveoli

The large muscle that contracts and relaxes and moves air in and out of the lungs.

• epiglottis

• alveoli

• diaphragm

• trachea

An air tube that is held open by C-shaped rings of cartilage. Also known as the windpipe.

• pharynx

• trachea

• nose

• alveoli

Tiny hairlike structures that line your nose and most other airways of the respiratory system.

• larynx

• alveoli

• cilia

• diaphragm

The main organs of the respiratory system

• heart

• lungs

• esophagus

• trachea

This is the airway that has two pairs of vocal chords attached to it

• Lungs
• Diaphragm
• Pharynx
• Larynx

Which sequence correctly indicates the branching pattern of the human respiratory system?

• trachea -> bronchi -> bronchioles -> alveoli

• trachea -> bronchioles -> bronchi -> alveoli

• alveoli -> trachea -> bronchioles -> bronchi

• alveoli -> bronchioles -> trachea -> bronchi

Part of the digestive system where no digestion takes place

• Mouth

• Oesophagus

• Small intestine

• Large intestine

Which one of the following is the longest organ of the digestive system

• Oesophagus

• Stomach

• Small intestine

• Large intestine

Which are the main parts of the respiratory system?

• Eyes, Ears and Hair

• Hands, Legs, Stomach

• Nose, Windpipe, Lungs and Diaphragm

• Kidneys, Intestines, heart and blader