Tissue (biology) - Wikipedia
Microscopic view of a histologic specimen of human lung, consisting of various tissues: blood, connective tissue, vascular endothelium and respiratory epithelium, stained with hematoxylin …
Tissue | Definition, Types, & Facts | Britannica
Dec 1, 2025 · Tissue, in physiology, a level of organization in multicellular organisms; it consists of a group of structurally and functionally similar cells and their intercellular material. By …
Tissue Types and Functions - Science Notes and Projects
Apr 23, 2025 · Tissues are one of the fundamental levels of organization in multicellular organisms, forming organs and systems. Humans have four main types of tissues: epithelial, …
Tissues and Organs - Fundamentals - Merck Manual Consumer Version
Organs are the body's recognizable structures (for example, the heart, lungs, liver, eyes, and stomach) that perform specific functions. An organ is made of several types of tissue and …
Types of Tissues | Anatomy and Physiology I - Lumen Learning
Although there are many types of cells in the human body, they are organized into four broad categories of tissues: epithelial, connective, muscle, and nervous. Each of these categories is …
4.1 Types of Tissues – Anatomy & Physiology 2e
Tissues are organized into four broad categories based on structural and functional similarities. These categories are epithelial, connective, muscle, and nervous. The primary tissue types …
What Is Tissue in Biology and What Are Its Functions?
Jul 28, 2025 · These organized groups of cells are fundamental to the structure and operation of multicellular organisms. Tissues bridge the gap between individual cells and the more complex …