Question

how many mussels help to smil​

Answer 1

Answer:

d

o

n

t

k

n

o

w

b

r

o

!

a

a

a

a

a

a

a

aa

a

a

a

aa

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Answer 2

Scientists have studied the muscles needed for both facial expressions, and to do a small smile generally uses 10 muscles; a small frown uses 6. On average, a smile uses 12 and a frown 11. However, since humans tend to smile a lot, these muscles are stronger.