I think the correct answer from the choices listed above is option A. It is the alveoli that is composed of single layer <span>surrounded by a network of capillaries. These are used to allow oxygen and carbon dioxide to move from the lungs to the bloodstream.</span>
Answer:
by the increased temperature they have
Explanation:
when people are sick the doctors have to know how sick the person is
In the south it becomes 24 hour darkness and in the north it is 24 hour sunlight
I believe it's B and C because "Chloroplast" and "Vesicle" are found in plants not animals