If your infertile then you cannot have a child nor be pregnant.
xamples of less healthy complex carbs include white bread and white rice. Simple Carbohyrates. Many simple carbs containing added sugar, such as table sugar, syrups, candies, and sodas, provide little nutritional value other than being a source of quick energy.
Answer: A
Explanation: The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. ... The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases.