Which of the following body systems the body regulate immune systems?
a) lymphatic
b) endocrine
c) circulatory
d) digestive

Although animals share many common characteristics, there is also a great amount of diversity found in animals. which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water?

Larry is taking a walk in the park, the pollen in the air makes him sneeze consistently what line of defense is his immune system exhibiting

Ais a person who demonstrates effective communciation, self-directed learning, critical thinking, and responsible citizenship