Crocodiles belong to Reptiles. Reptiles are <span>a cold-blooded vertebrates. </span>
The answer is option 4 :3
The brain part that helps us talk is Frontal lobe helps us to speak and helps to express over selves.
Hope this helps:)
The primary function of the plasma membrane is to protect the cell from its surroundings. Composed of a phospholipid bilayer with embedded proteins, the plasma membrane is selectively permeable to ions and organic molecules and regulates the movement of substances in and out of cells.