Your tongue detects only a handful of basic tastes: sweet, salty, sour, bitter and umami. Flavors like strawberry, coffee or vanilla are picked up by smell, as molecules rise from your mouth to your nose through the back of the throat. Pinch your nose while eating a flavored candy: little but sweetness remains.
Every day, your kidneys filter around 180 liters of blood plasma, about a bathtub's worth. Yet you only have about 3 liters of plasma, so it passes through your kidneys some sixty times a day. Over 99% of the filtered water is reabsorbed, leaving just one to two liters of urine.
A 70 kg adult is made of about 7 × 10²⁷ atoms, or seven billion billion billion. The observable universe is thought to hold on the order of 10²² to 10²⁴ stars. Even with the high estimate, you contain thousands of times more atoms than there are stars in the entire visible cosmos.