The herb Indian spikenard is another effective home remedy for low blood pressure. It should be taken in doses of thirty to forty grains with a pinch of a little camphor and cinnamon (cinnamon). An infusion can also be prepared by steeping 15 to 20 gm of the herb in 250 ml of boiling water, and taking it thrice a day.
Alveoli. Alveoli are the functional units of the lungs that permit gas exchange between the air in the lungs and the blood in the capillaries of the lungs. Alveoli are found in small clusters called alveolar sacs at the end of the terminal bronchiole.
Air sacs of lung tissue Nuclei of squamous epithelial cells Figure 4.3b Epithelial tissues. (b) Simple cuboidal epithelium Description: Single layer of cubelike cells with large, spherical central nuclei. Function: Secretion and absorption.he following types of epithelial tissues are covered in this activity: 1. Simple squamous epithelial tissue (lungs) 2. Simple cuboidal epithelial tissue (kidneys) 3. Simple columnar epithelial tissue (small intestine) 4. Pseudostratified (ciliated) columnar epithelial tissue (trachea lining) 5.