The evolution and later reliance on our system has been suggested as the reason why humans use pheromones less than other mammals as sexual cues.

What are some possible short and long term medical concerns for crew members on longer space exploration trips

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

How can an organ, such as the lungs, work for multiple body systems?