i think the answer is 3 4 5
The answer to your question is called the Axon, the long arm of the neuron.
Hope this helps you<3
The frog<span> heart has 3 chambers: two atria and a single ventricle. The atrium receives de-oxygenated blood from the veins (blood vessels) that drain the various </span>organs<span> of the body. The left atrium receives oxygenated blood from the lungs and skin...i believe this is right :)but im not sure but this is some of what one of my books say.</span>