Which Event Occurs in Lung Blood

question 16

Multiple Choice

Which event occurs in lung blood?

• A) Plasma HCO₃^- enters erythrocytes.
• B) In erythrocytes, carbonic anhydrase converts CO₂ and H₂O into HCO₃^- and H⁺.
• C) Free H⁺ binds to hemoglobin.
• D) CO₂ binds to hemoglobin.

---

Definitions:

Mangrove Swamps

Coastal wetlands found in tropical regions, characterized by salt-tolerant trees and shrubs adapted to life in salty environments.

Coral Reefs

Diverse underwater ecosystems held together by calcium carbonate structures secreted by corals, often referred to as the rainforests of the sea.

Desertification

describes the process by which fertile land becomes desert, typically as a result of drought, deforestation, or inappropriate agriculture.

Overgraze

The depletion of vegetation due to animals eating the plants more quickly than the plants can regenerate, leading to environmental degradation.