4. Respiratory System

What key organ does the respiratory system centre around?

• Kidney

• Lungs

• Heart

• Spleen

• Brain

Which of these can your body not survive long without?

• Food

• Water

• Company

• Breathing

• Technology

Breathing brings fresh air containing oxygen into the lungs?

• True

• False

Breathing expels oxygenated air?

• True

• False

What bones of the Human Body protect the lungs?

• Ulna

• Sternum

• Ribs

• Scapula

• Humerus

What is the trachea otherwise known as?

• Windtube

• Windpipe

• Windy Channel

• Wind Passage

• Wind Hole

What role do the nose hairs play when breathing in air?

• Trap Dust

• Moisten the Air

• Sneezing 101

• Nothing at all

• Plucking them

What prevents the hollow tube of the Trachea from collapsing?

• Matchstix

• Rings of cartilage

• Food

• Air

When we breathe in, the diapraghm relaxes?

• True

• False

Air is sucked into the lungs when we...

• Exhale

• Inhale