Gaseous exchange through the skin is known as ______________ respiration?
Correct answer: B. Cutaneous
- A. Cuticular
- B. Cutaneous
- C. Skin
- D. Pulmonary
Explanation
Gaseous exchange through the skin is called cutaneous respiration. Oxygen diffuses through the moist skin into blood and carbon dioxide diffuses out, as seen prominently in earthworms and amphibians. Cuticular respiration is a tempting choice because it refers to exchange through a cuticle, not the skin itself.
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About Human Respiratory System
The human respiratory system conducts air to the alveoli, where oxygen and carbon dioxide exchange occurs across thin respiratory surfaces. Questions cover the nasal passage, trachea, bronchi, lungs, diaphragm and intercostal muscles, ventilation mechanics and gas transport, while distinguishing breathing and gaseous exchange from cellular respiration.
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