Red blood cells are able to move through narrow vessels to carry oxygen throughout a multicellular organism primarily because they are small because they lack a nucleus. This absence of a nucleus allows them to have a biconcave shape, which increases their surface area for oxygen transport and provides the flexibility needed to navigate through narrow capillaries.
How are red blood cells able to move through narrow vessels to carry oxygen throughout a multicellular organism? (1 point)ResponsesThey are small because their organelles are smaller than those of other cells. They are small because their organelles are smaller than those of other cells. They are long and thin with a tail-like end. They are long and thin with a tail-like end. They are flexible because they lack a plasma membrane. They are flexible because they lack a plasma membrane. They are small because they lack a nucleus.
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