Biotechnology

The vertebrate digestive system is designed to facilitate the transformation of food matter into the…

Vertebrates have evolved more complex digestive systems to adapt to their dietary needs. Some animals…

Animals have evolved different types of digestive systems to aid in the digestion of the…

Figure 15.1.  For humans, fruits and vegetables are important in maintaining a balanced diet. (credit:…

The nervous system is important to thermoregulation, as illustrated in Figure 14.23. The processes of homeostasis and…

Animals can be divided into two groups: some maintain a constant body temperature in the…

Any homeostatic process that changes the direction of the stimulus is a negative feedback loop. It…

Nervous tissues are made of cells specialized to receive and transmit electrical impulses from specific…

There are three types of muscle in animal bodies: smooth, skeletal, and cardiac. They differ…

Blood is considered a connective tissue because it has a matrix, as shown in Figure 14.17.…