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.…

Cartilage is a connective tissue with a large amount of the matrix and variable amounts of…

Connective tissues are made up of a matrix consisting of living cells and a non-living substance,…

Multicellular, complex animals have four primary types of tissue: epithelial, connective, muscle, and nervous. Recall…

A standing vertebrate animal can be divided by several planes. A sagittal plane divides the body into…