The answer is b- the crocodile heart has three chambers.
Answer:
Hooke frequently included microscopy demonstrations, regaling the reigning lights of English science - Newton, Boyle, Wren - with a variety of preparations. He used a number of instruments to extend the range of vision and investigate appearance and behavior at levels unseen by the unaided eye.
Explanation:
The palm has thicker skin and it is tougher because the inside of your hand needs more protection from touching more things