Refer to the illustration above. Structure B is located on the surface of an arthropod’s body. What is structure B called? a. trachea c. spiracle b. nematocyst d. nephridia

Which is a function performed by stem cells in the skin a. replacing lost skin cells b. making cells for the intestines c. growing new organs d. differentiating into brain cells plz apex

Which of the following is required of a new drug?me

Locards exchange principle implies all of the following except