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:
The characteristics that define liver diseases within bryophytes are:
They are terrestrial plants unlike Charophytes that are aquatic.
There is development of an embryo that gives rise to a diploid multicellular sporophyte.
Leaves get their colors through pigments. Leaves turn green because of chlorophyll but when they turn orange red and yellow it’s the chlorophyll breaking down and mixing with pigments (like carotenoids)
The second one hope that helps
