how come I don't remember any of this and I know lyrics to every other song since 1987
1 - The Concorde airplane flies faster than Mach 1. Mach 1 is:
A - Helped by sonic booms
B - The speed of sound
C - A constant number
D - A jet car
2 - The submaxillary, sublingual, and parotid are your three pairs of major:
A - Salivary glands
B - Lacrimal glands
C - Sebaceous glands
D - Endocrine glands
3 - Its four largest moons are referred to as the "Galilean Moons"
A - Saturn
B - Uranus
C - Jupiter
D - Venus
4 - A normal adult mouth contains ______ permanent teeth.
A - 30
B -28
*C - 32 *
D - 26
5 - Serotonin is a powerful vasoconstrictor found in
A - Snake venom
B - Human saliva
C - Blood serum
D -Seaweed