this tissue type helps form a barrier between the body and the external environment.
What tissue type helps form a barrier between the body and the external environment?
Answer:
The tissue type that helps form a barrier between the body and the external environment is the epithelial tissue. Epithelial tissues cover the body surface, line various cavities and ducts, and form the skin. They act as protective barriers against physical injury, harmful chemicals, and pathogens.
Epithelial tissues are classified based on their structure and function into simple epithelium, stratified epithelium, squamous epithelium, cuboidal epithelium, and columnar epithelium. Simple epithelium consists of a single layer of cells, which is ideal for absorption and filtration. Stratified epithelium, on the other hand, has multiple layers of cells, providing protection against mechanical stress and abrasion.
Overall, epithelial tissues play a crucial role in maintaining the integrity of the body by acting as a protective barrier against the external environment, thus safeguarding underlying tissues and organs.