External features of frogमेंढक के बाहरी लक्षण

NCERT Fig 7.1 · interactive diagram

Parts and their functions

• Head (सिर) — Triangular head; no neck joins it to the trunk.
• Nostrils (नासाद्वार) — A pair above the mouth; air enters through them.
• Eyes (नेत्र) — Bulging, covered by a nictitating membrane that protects them in water; simple eyes.
• Tympanum (कर्णपटह) — Membranous ear on either side of the eyes; receives sound. No external ear.
• Trunk (धड़) — Olive green with dark irregular spots dorsally; pale yellow ventrally; moist slimy skin.
• Fore limb (अग्रपाद) — Ends in 4 digits; males have a copulatory pad on the first digit.
• Hind limb (पश्चपाद) — Larger and muscular, 5 webbed digits — swimming, leaping.

Original diagram drawn by Simple Learning Hub, based on NCERT Fig 7.1. Report a mistake