Brainliesttt ! where and why is sperm produced in males?

The two testicles (or testes) produce sperm and the male sex hormone testosterone. Next to each testicle, the epididymis is a light‑colored tube where sperm is stored. From here, sperm are transported to the vas deferens. In the human reproductive process, two kinds of sex cells, or gametes, are involved.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

"a.) well–developed vascular system."