When we eat food and breathe in oxygen, what happens in our cells to make hemoglobin and dopamine ( happy chemical ) ?

En el ecuador existieron comunidades prehispanicas que practicaban algun tipo de ritual de enterramiento como el que se describe en el articulo la solidaridad comenzo en las cabernas

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 of the following human diseases is caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell? a) herpesb) aidsc) smallpoxd) influenza