Biology · Epithelial Tissue
Since epithelial tissue is avascular (lacks blood vessels), how do its cells receive oxygen and nutrients?
- 1Through specialized intracellular pores connecting to the skin surface
- 2By diffusion from blood vessels in the underlying connective tissue✓
- 3Via active transport from the lymphatic vessels only
- 4Through direct absorption from the open air
Correct answer
By diffusion from blood vessels in the underlying connective tissue
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