D is not right.............
Well, the system for human reproduction is called just this: human reproductive system. The male and female reproductive systems are different; and male consists most importantly of penis and testicles, which further have their own parts.
The female system is composed mostly of the uterus, (including the vagina, which leads to the uterus, and the ovaries.
Metals are malleable
Metals are ductile
Metals are good heat and electricity conductors
Metals lose electrons in reactions.
