Which of the following muscles of facial expression inserts on the orbicularis oris, and compresses the cheeks when blowing air?

A) Buccinator
B) Mentalis
C) Platyma
D) Risorius
E) Zygomaticus major

Which of the following protects the delicate cells of the apical meristem?

A) Root hair
B) Root cap
C) Radicle
D) Epidermis
E) Sieve tube