The electrical impulse travels across the axon, and the myelin sheath helps to increase transmission speed.
The correct option is D. all of the above
Answer:
Yes.
Explanation:
Yes, a new research indicates that dogs might use a magnetic sense to navigate. Dogs has world class nose which helps them to navigate to their destination but it also has a magnetic compass that helps them in navigation. The dogs use magnetic field of the earth to find out shortcut ways in the unknown land or terrain so the hypothesis is right that dogs used magnetic sense for navigation.
Decrease in the tree population can damage the environment.
