Neurons are the cells adapted for receiving and eliciting electrical signals. Signals are sent to other neurons, glands, and muscle cells. Click here to learn more about nervous tissue . Muscle Tissue is specialized for cellular contraction, and hence movement of the organism or parts of the organism. The photo on the right shows several muscle cells of the heart.
Muscle cells tend to be elongated and red in appearance.
Heart muscle has the characteristic cellular branchings such as are seen in this tissue section. Click here to learn more about muscle tissue . Connective Tissue is specialized to connect parts of an organism. Click here to learn more about connective tissue . Epithelial Tissue lines body surfaces, both internal and external, and is adapted for protection, secretion, and absorption.