Answer: The nodes of Ranvier
Explanation: The speed of impulse conduction along an axon are increased by this.
Because of the moisture and height difference so some can provide more coldness while the other could be hot
Most adult placental mammals have no remaining trace of the cloaca. Being placental animals, humans only have an embryonic cloaca, which is split up into separate tracts during the development of the urinary and reproductive organs.
The answer is <span>gametes:</span>