Which of the following is correct? Air entering the alveoli is high in oxygen and blood entering the capillaries surrounding the alveoli are high in CO2

Air entering the alveoli is high in CO2 and blood entering the capillaries surrounding the alveoli are high in O2

At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. which skill would be most valuable to you take the necessary steps to learn what you need to know to protect yourself? a. self-direction b. critical thinking c. problem solving d. effective communication       select the best answer from the choices provided.