The avian digestive system is a complex marvel of evolution that allows birds to access the life-giving nutrients and energy locked away in foods as diverse as nectar, seeds, fruits, meat, and even ...
Just like we eat our food to gather the nutrients we need to survive, birds have evolved to process a diverse range of natural foods using a sophisticated digestive system. Each species has its own ...
Organ systems work together to keep the body in good health. For example, the circulatory and digestive systems work jointly to deliver nutrients throughout the body. Except for the reproductive ...