This educational resource is a GCSE-level worksheet with accompanying answers, focused on the topic of gas exchange in humans and fish.
The worksheet is designed to test and reinforce students’ knowledge through fill-in-the-blank questions related to the anatomy and physiology of respiratory systems in both species.
It covers key concepts such as the movement of oxygen and carbon dioxide, the role of the heart in pumping deoxygenated blood, and the specific adaptations that facilitate gas exchange in aquatic environments.
The answer sheet provides clear and concise responses for each question, making it an ideal tool for classroom learning, homework assignments or revision purposes.
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