Gills would be the most common sense answer. I took the test and it was correct.
Ergonomics can affect your muscles, nerves, and tendons.
According to biology it is meiosis
Answer: On topographic maps, elevation is shown by using contour lines. The difference in elevation between one contour line and the next is called the contour interval. The contour interval is selected based on the relief of the area being mapped. Every fifth contour line is darker than the four lines one either side of it.
Explanation:
An impulse relayed along a myelinated axon "jumps" from Node of Ranvier to Node Ranvier. Axons insulated by a Myelin sheath are able to conduct impulses faster than those not so insulated. Schwann cells are types of cells that makes up the myelin sheath of a motor neuron. An impulse moves toward a neuron's cell body along Dendrites.
