Respiration in Humans

This is referred to as the energy currency of the cell

• ADP

• ATP

• Mitochondria

• Nucleus

Tags

NGSS.HS-LS1-7

What is X?

• Trachea

• Bronchus

• Bronchiole

• Epiglottis

Which is the correct air passage in the breathing mechanism?

• Nostril, nasal cavity, pharynx, larynx, trachea, bronchus, bronchiole, alveolus

• Nostril, nasal cavity, larynx, pharynx, trachea, bronchus, bronchiole, alveolus

• Nostril, nasal cavity, pharynx, larynx, trachea, bronchiole, bronchus, alveolus

• Nostril, nasal cavity, trachea, larynx, pharynx, bronchus, bronchiole, alveolus

During inhalation....

• intercostal muscles contract

• air pressure in the thoracic cavity to decrease

• rib cage moves downwards and inwards

• diaphragm muscles relax and curve upwards

• diaphragm muscles contract

During exhalation....

• intercostal muscles contract

• air pressure in the thoracic cavity to decrease

• rib cage moves downwards and inwards

• diaphragm muscles relax and curve upwards

• intercostal muscles relax

Diagram shows a model of human respiratory system. K represents....

• lung

• rib cage

• diaphragm

• thoracic cavity

Name structure Y.

• Trachea

• Bronchus

• Bronchiole

• Alveolus

Which of the structures of human respiratory system NOT involve in the air passage in the breathing mechanism?

• Trachea

• Intercostal muscle

• Rib

• Larynx

Epiglottis is the structure that opens or closes the trachea.

• TRUE

• FALSE

Which are the gases involved in breathing?

• O2 and NO2

• O2 and SO2

• O2 and O3

• O2 and CO2