Describe the structure of the frog.

I will write a general description.
1. adapted to life on land and in water.
2. The ancestors of frogs and amphibians in general are cross-finned fish.
3. Body: head, torso, limbs.
4. The skin is naked, moist, cool, covered with mucus.
5. Breathe atmospheric air through the lungs and through the skin.
6. 2 circles of blood circulation, 3-chambered heart.
7. Body temperature is unstable (they are cold-blooded).
8. They are dioecious animals.
9. The larvae are called tadpoles.
10. Stage of development: Egg-tadpole-adult.