The document asks several biology and science related questions including: Are there any parts of the human body that get oxygen directly from the air and not from the blood? Are there nuclear reactions going on in our bodies? Can humans ever directly see a photon? Does the human body contain minerals? How can the heart be strong enough to pump blood up your legs against gravity? How can we differentiate so many different foods if we can only taste four flavors on our tongue: sweet, bitter, sour, and salty?

1. Are there any parts of the human body that get
JO, BiologyAre gender traits completely a result of societal expectations?Are there any parts
of the human body that get oxygen directly from the air and not from the blood?Are there
nuclear reactions going on in our bodies?Can humans ever directly see a photon?Can I turn
my cat into a diamond?Do blind people dream in visual images?Do Kirlian photographs
show the soul of an organism?Do koalas eat honey like other bears?Do poppy seeds contain
narcotics?Does the human body contain minerals?How can the heart be strong enough to
pump blood up your legs against gravity?How can we differentiate so many different foods
if we can only taste four flavors on our tongue: sweet, bitter, sour, and salty?How can we
unlock the 90% of our brain that we never use?