Latest Basics News
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…
Neural Control of Thermoregulation
The nervous system is important to thermoregulation, as illustrated in Figure 14.23. The processes…
Endotherms and Ectotherms
Animals can be divided into two groups: some maintain a constant body…
Negative Feedback Mechanisms
Any homeostatic process that changes the direction of the stimulus is a negative…
Nervous Tissues
Nervous tissues are made of cells specialized to receive and transmit electrical…
Connective Tissues
Connective tissues are made up of a matrix consisting of living cells and…


