题目内容

下列不属于噻吗洛尔作用的是()

A. 减少房水生成
B. 降低眼压
C. 有缩瞳作用
D. 治疗青光眼
E. 阻断β受体的作用

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Approximately how many times do you breathe in every day?

A. 2,000
B. 7,000
C. 12,000
D. 17,000

What is the process called that uses oxygen and results in the production of the ATP we use as energy?

Anaerobic respiration
B. Ventilation
C. Aerobic respiration
D. Circulation

The level of red blood cells in the blood is regulated by which organ(s)?

A. The heart
B. The lungs
C. The liver
D. The kidneys

To ensure sufficient oxygen diffusion, the lungs contain hundreds of millions of miniature balloon-like projections. This increases the lungs’ surface area to approximately how many square meters?

A. 10
B. 70
C. 100
D. 120

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