What is the part of a man that produces sperm

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

Which statements best describe the atoms of the gas neon? check all that apply

Interferons play a vital role in the immune system why are interferons so important?