Learn to talk about hair in 6 minutes

source: BBC Learning English      2017年9月21日
The hair follicle apparently knows some tricks that the other organs don’t know, says Ralf Paus, hair loss researcher. Neil and Tim talk about the wonders of hair and teach you six items of vocabulary.
This week's question:
How many hair follicles does the human body have today? Is it …
a) 500,000,
b) 5 million or
c) 50 million?
Listen to the programme to find out the answer.

hair-raising: scary often in an exciting way
hair follicle: the organ that produces a hair underneath the skin
baldness: having little or no hair on your head
of a certain age: no longer young
facial: to do with the face
regenerate: to grow again