I think the most suitable answer is carbohydrates as it can be monosaccharide, disaccharide or polysaccharide.
Answer: research it? i dont know
Explanation:
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.
