Choose the correct answer from the alternatives given.
Which is the primary waste gas diffused out of the blood into alveoli?

C O_{2}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

O_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

N H_{3}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

N_{2}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $C O_{2}$
Carbon dioxide is the primary waste gas that diffuses out of the blood and into the alveoli. During the gaseous exchange, the partial pressure of carbon dioxide is high in the pulmonary capillaries and low in the alveoli. Therefore, carbon dioxide diffuses across the respiratory membrane from the blood into the alveoli. So, the correct option is 'CO $_{2}$ '.

Suggest Corrections