The Nervous System
Figure 16.1. An athlete’s nervous system is hard at work during the…
Digestive System Regulation
The brain is the control center for the sensation of hunger and…
Digestive System Processes
Obtaining nutrition and energy from food is a multi-step process. For true…
Food Energy and ATP
Animals need food to obtain energy and maintain homeostasis. Homeostasis is the…
Nutrition and Energy Production
Given the diversity of animal life on our planet, it is not…
Parts of the Digestive System
The vertebrate digestive system is designed to facilitate the transformation of food…
Vertebrate Digestive Systems
Vertebrates have evolved more complex digestive systems to adapt to their dietary…
Invertebrate Digestive Systems
Animals have evolved different types of digestive systems to aid in the…
Animal Nutrition and the Digestive System
Figure 15.1. For humans, fruits and vegetables are important in maintaining a…


