Krebs Cycle infographic for biology teaching

Biological diagram infographic titled "Krebs Cycle" centered on a clean labeled diagram of the citric acid cycle arranged as a circular flow with directional arrows, suitable for university undergraduate teaching. Show the cycle ring prominently in the center with 9 labeled stages/components placed evenly around it, each connected by a thin leader line, each with a short label in English and a one-line function description in English. Include input → output markers for key molecular transitions and energy carriers. Labels to render exactly as: "Acetyl-CoA" — "Two-carbon input that enters the cycle by combining with oxaloacetate."; "Citrate" — "Six-carbon molecule formed at the start of the cycle."; "Isocitrate" — "Rearranged intermediate prepared for oxidative decarboxylation."; "Alpha-Ketoglutarate" — "Five-carbon intermediate that forms after loss of one carbon dioxide."; "Succinyl-CoA" — "High-energy four-carbon intermediate that drives substrate-level phosphorylation."; "Succinate" — "Four-carbon product formed after release of coenzyme A."; "Fumarate" — "Intermediate produced during oxidation of succinate with FADH2 generation."; "Malate" — "Hydrated intermediate converted to regenerate oxaloacetate."; "Oxaloacetate" — "Four-carbon acceptor that combines with acetyl-CoA to restart the cycle." Add small callouts for "CO2", "NADH", "FADH2", and "ATP" at the appropriate arrow steps as compact pathway markers, while keeping the main 9 labels as the primary annotations. Use minimal flat scientific style, forest green and earth-tone palette, calm academic mood, balanced negative space, crisp typography, sharp readable text, clean vector shapes, subtle hierarchy, medical-textbook clarity, editorial scientific illustration, vector-clean lines, no photographic textures. All text MUST be written in English (array). Every heading, label, caption, legend and metric name in the image must be in English — not English. Spell each English word correctly using English characters and diacritics. Numbers stay as digits, no graphic gore, no real patient photos, no watermarks No graphic medical gore, no real patient photographs, no surgical blood. For human anatomy, keep illustrations educationally tasteful. For animal anatomy, no cruelty imagery. Scientifically accurate labeling and proportions.