The main reason why the testes are suspended within the scrotum is to provide cooler temperature for the testes and make it fertile for penetrating the egg. The Scrotum may contract or lengthen depending on the temperature of its surrounding.
What is part B I need more info.
Spectrum is a word defined by a continuous range of a single feature, such as wavelength. <span>The word was first used scientifically within the field of optics to describe the rainbow of colors in visible light when separated using a prism.</span>
