How is the majority of oxygen (O₂) transported in the blood?

Correct Answer: C

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: C

Rationale: Asthma is a respiratory condition characterized by inflammation of the bronchi and bronchioles, which results in wheezing and difficulty in breathing. During an asthma attack, the airways become narrowed due to inflammation and the production of excess mucus, leading to symptoms such as wheezing, shortness of breath, coughing, and chest tightness.

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: B

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.

Correct Answer: A

Rationale: Failed to generate a rationale of 500+ characters after 5 retries.