Athlete wobbly on legs after Berlin marathon. TV commentary: "Look at that! the lactic is setting in.." #PhysiologyLesson

Inhale the good shit exhale the bullshit ^.^ #Anatomy&PhysiologyLesson

Note to little bitches taking pre-workouts right when they start lifting, it takes a min 30 minutes to start working. #physiologylesson

Some of the most common questions in the store are about anal sex. https://t.co/3K3vHj0aI7 #SexEd #PhysiologyLesson #Pleasure #Lube #Orgasm

@PsYcHoTicTac and that is how people get addicted to drugs. #physiologylesson #WizeWordsOfMoobit

Muscle anatomy lesson of the day: Did you know that skeletal muscles are composed of muscle fibers bundled together by connective tissue? Understanding this structure helps explain muscle function and movement. #MuscleAnatomy #AnatomyFacts #PhysiologyLesson