Answer;
the heart; the brain; the skin; cartilage
The four main types of tissues of animals are: muscular, which is in heart; nervous, which is in the brain; epithelial, which is in the skin; and connective, which is in cartilage.
Step-by-step explanation;
- There are four main categories of animal tissues namely; Epithelial, Connective, Muscle, and Nervous.
- Epithelial tissue covers the outside of the body and lines the organs and cavities within the body. It contains cells that are closely joined.
- Connective Tissue contains sparsely packed cells scattered throughout the extracellular matrix. They mainly bind and support other tissues.
- Muscle tissue is the tissue responsible for nearly all types of body movement.
- Nervous tissue is the tissue which functions in the receipt, processing, and transmission of information.