Blastocyst . Why ? Because Each of those cells will eventually become a different part of the baby's body as they each multiply, creating muscle, bone, and organ tissues.
C.
Falsifiable is the adjective form of the verb "falsify," which in science means "prove (a statement or theory) to be false."
The answer would be serratus anterior.
Sentence form: The serratus anterior muscle is important in thrusting movements of the arm, much like a boxer's jab punch.
