Mucous secretions in the respiratory tract inhibit microbial infections. these secretions are produced by which of the following tissue types found in the lungs?

The correct answer is - epithelial tissue.

Explanation:

Mucous secretions are are essential in the immune response as it inhibits the microbial infections such as the bacteria or trap the dust particles that are present in respiratory tract.

Respiratory tract have epithelial tissue that contains cilliated cells or occasionally goblet cells. These cells are secrete mucus that moistens the epithelial cell surface and traps or adhere to the particles or microbes.

Thus, the correct answer is - epithelial tissue.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.