Answer:
The awnser is c. mucus good luck!
Explanation:
Have a primitive digestive system
Answer:
Memory cells are specalised types Nerve Cells .
The second type of body fluid, the extracellular fluid, have two types: the interstitial fluid and the intravascular fluid. The interstitial fluid serves as a messenger for transferring materials to and from cells. While the intravascular fluid is responsible for being within the circulatory systems of the body, being am addition of 4% of the body's weight.