Tag: The Designed Body
Understanding Cardiovascular Function: How Water Is Distributed in the Body
Water is the body’s most abundant molecule, making up about 60 percent by weight.
Solving the Problem of Iron: Acquisition, Transport, and Control
It’s the iron (Fe) in the hemoglobin molecule to which O2 actually attaches and enables it to be transported in the blood.
How the Body Solves the Problem of Oxygen Transport
When a person’s level of hemoglobin drops below the normal range, the result is anemia.
Understanding Respiration: Why Real Numbers Can Mean Debility and Death
How well has evolutionary biology explained the gradual development of the respiratory system?
Understanding Respiration: Why Real Numbers Really Matter
For our ancient ancestors, being able to bring this much O2 into the body would have been the difference between eating or being eaten.