Birds are highly active creatures, capable of explosive speed and incredible stamina. These activities require an advanced respiratory system to oxygenate their blood and an efficient circulatory ...
The circulatory system maintains blood flow within a certain pressure range so that the blood ... It plays an important role in your immunity, blood pressure regulation, digestion, and other functions ...
Mammals, reptiles, fish, and all other vertebrates have some form of circulatory system. However, the metabolic demands of sustained flight have created an especially powerful and efficient heart and ...
The abdominal aorta has a crucial role in the circulatory system, as it supplies oxygen-rich blood to the organs and tissues in the lower part of the body. Its main functions include: Blood ...