40. Circulatory System
Circulatory and Respiratory Anatomy
40. Circulatory System Circulatory and Respiratory Anatomy
8PRACTICE PROBLEM
Hemoglobin is important in transferring oxygen from the lungs to the tissues in order to sustain muscle functions. However, animals in the Arctic can still do their activities even without hemoglobin. What could be the reason for the hemoglobin independence among these animals?
Hemoglobin is important in transferring oxygen from the lungs to the tissues in order to sustain muscle functions. However, animals in the Arctic can still do their activities even without hemoglobin. What could be the reason for the hemoglobin independence among these animals?