I believe the awnser is B
The most common organisms with exoskeletons are arthropods which include insects (bees, ants), arachnids (spiders) and crustaceans (lobsters and crabs).
Choice C is most likely to be the right answer!
Answer:
to prevent the spreading of germs
Explanation:
increased blood pressure
increased systolic blood pressure; increased blood flow and oxygen to working muscles and heart; increased oxygen consumption. immediate effects of cardiorespiratory endurance exercise.