Before the invention of the stethoscope, doctors had to put their ear on patients' chests. (T / F)
True! The stethoscope was invented in France in 1816 by René Laennec because he wasn't comfortable placing his ear onto a woman's chest to listen to her heart!
Your body has more than 96,000 km of blood vessels. (T / F)
True! Actually, it's even more in adults: closer to 160,000 km!
Your heart pumps about 600 ml of blood with each beat. (T / F)
False! Your heart pumps about 60 ml of blood with each beat.
If you want to legally sell your heart in the USA, it can be purchased for about $1 million (23B VND) (T / F)
True! Though often hearts are often sold illegally for cheaper, around $120,000 (2.7B VND).
