Trace the pathway of sperm through the duct system during ejaculation

the sperm moves from the epididymis to the vas deferens where its smooth muscles will aid in its propulsion tothe ampulla where the sperm will be enriched with secretions from the seminal vesicle. then it moves toward the urethra through the prostate gland that will add a milky substance to the sperm and moved towards the urethra

answer; (b) i believe its metabolic rate of the patient; plz check first

answer; 4% i believe this is correct;