Biology, 10.08.2021 19:20 ejfleck3655
| -- Three requirements for efficient exchange y gases through membranes in humans, are li Meistness " Dryness ni small surface area WV. Large surface area Many layers of cells thick vi one layer of Cells then A id; (ii); (v) Bits (iv); (vi) Sil: vivi ev D. ci; ir (vi) one large of cells thin
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