Pleural Cavity is the body cavity that surrounds the right and left lung. The pleura is a serous membrane which folds back to form a two-layered, membrane structure. The thin â¦ space between the two pleural layers is known as the pleural cavity; it normally contains a small amount of pleural fluid. The outer pleura parietal pleura is attached to the chest wall.
Germinating the Seeds. To germinate staghorn sumac seeds place them in a warm room away from direct sunlight. Regularly mist the soil in the pot with a spray bottle to keep it moist. After germination, remove the plastic wrap and position the pot in a sunny window so the seedlings can grow.
Planting a Cactus from Seed. 1  1. Pick seed pods from existent cacti or buy commercial seeds. 2  2. If harvesting seeds from cactus pods, gather the pods. 3  3. Next, harvest the seeds from the pods.  4. Plant the seeds in high-drainage 1  soil. 5. Cover the container and expose it to 2  sun. 6. Keep tropical cacti at a steady, warm temperature.