It's the Ninth Inning,and the Bases Are Loaded

Multiple Choice

It's the ninth inning,and the bases are loaded.As the pitcher winds up to throw the ball,how does each tissue in his arm contribute to this critical pitch? The ________ of his fingers grips the ball.His ________ sends instructions that trigger his ________ to contract.His ________ provides stability and transmits the force produced.

A) ectoderm; ectoderm; mesoderm; endoderm
B) connective tissue; nerve tissue; muscle tissue; epithelial tissue
C) epithelium; ectoderm; mesoderm; endoderm
D) epithelial tissue; nerve tissue; muscle tissue; connective tissue