Want to know:
- Water enters fish through its mouth and passes through gills- Gill has stacks gill filaments and lamellae covering filaments which have blood capillaries- Blood flows through lamellae in one direction and water in the opposite direction, maximises a concentration gradient between water and blood so the maximum amount of oxygen diffuses into blood - Blood leaving lamellae has high oxygen concentration and water flowing away from lamellae has low oxygen concentration
Get a detailed, AI-powered explanation for this question and thousands more on StudyFetch.
Get the Answer for FreeHow StudyFetch Helps You Master This Topic
AI-Powered Answers
Get instant, detailed explanations powered by AI that understands your course material.
Deep Understanding
Go beyond surface-level answers with step-by-step breakdowns and examples.
Personalized Learning
Sparky adapts to your learning style and helps you connect ideas.
Practice & Test
Turn any question into flashcards, quizzes, and practice tests to solidify your knowledge.
Explore More Questions
- How much of the Earth's freshwater is liquid (found on the Earth's surface in lakes and river etc.)?
- What are the color and chime indications on the master call light panel for the following:Pax callLav callLav & Crew rest smoke detectionCrewCrew call to SDCrew call to all stations, crew rest, FD
- The 2 Gospels that discuss Jesus' infancy narratives are