Question

4. Name the three general cell shapes of epithelial tissue 5. A single, flattened layer of cells represents what type of epithelium? 6. What functional problem could occur if the stomach and small ntestine were lined with stratified squamous epithelium instead of simple columnar epithelium? 7. Multiple layers of flattened epithelial cells represents what cell type? 8. What tissue type lines the inside of the urinary bladder? 9. Can you make the hairs on your arm "stand on end"? Based on your results, what type of muscle is responsible for doing this? 10. What muscle cell types have the following features? a. striated and voluntary b. striated and involuntary c. nonstriated and involuntary 11. What muscle cell type has intercalated discs? 12. The intestinal wall contains what kind of muscle? 13. The heart is composed primarily of what type of muscle?

Answer 1

Answer number 4:- Epithelial tissue mack outer most layer of different organs and blood vessel. That is one of the important tissue along with connectin, muscular and nervous tissues system. In epithelial tissue, the cell has three important shapes.

1. Squamous: Height is less compared to a width and it mack the outer lining of the lung, blood vessel and heart it allowed material movement by diffusion and filtration.
2. Columnar: Height and width approximate similar and it present in the duct and tubular of a small gland and kidney respectively that play role in secretion and absorption.
3. Cuboida: Height is more compared to the width it present on digestive tract and bladder of ciliated tissue.
4.