HP4 Passage Across Epithelium

Question:

    Compare micrographs a and b which both show simple squamous epithelium lining two different capillaries

    Micrograph A Micrograph B Micrograph B feedback

    Which capillary would best support the passage of gasses and proteins across the epithelial lining? Give two structural features of the capillary chosen which support your answer
    Which direction do you think gasses and proteins can pass across your chosen epithelial lined capillary wall? Account for your answer