Pathogens are those that do not cause disease in their normal habitat but may do so in a different environment.

Vertebrates have this type of circulatory system: wut i it owo

Which of the following is not a symptom of chronic fatigue syndrome a) pain in joints with swelling b) low-grade fever c) unexplainable muscle weakness or pain d) forgetfulness, irritability, and confusion

Which is a type of epithelial tissue? a. the skin on your hand b. cardiac muscle c. neurons d. cartilage