Examlex
The typical concave (i.e., bowed-out)shape of the production possibilities frontier reflects the law of increasing opportunity cost.
Biconcave Structure
A shape characterized by being concave on both sides, often referred to in the context of red blood cells, enhancing their flexibility and surface area for gas exchange.
Hemoglobin
A protein rich in iron present in red blood cells tasked with carrying oxygen from the lungs to the tissues throughout the body.
Hemoglobin
A molecule found in red blood cells that carries oxygen from the lungs to the tissues throughout the body, and brings carbon dioxide back from those tissues to the lungs.
Hematopoiesis
The process of creating new blood cells in the body, occurring in the bone marrow.
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