Endemic to Madagascar, the common name for this plant is traveler's palm. It's most striking characteristic is its huge, fan-like structure. The leaves of the traveler's palm can grow to 10 feet in length and, when mature, the tree will stand 30 to 60 feet in height.omments. Submit. The island nation of Madagascar, off the southeastern coast of Africa, contains 12,000 plant species, most of them endemic to the island. Ecosystems on the island include tropical moist forests, dry forests, wetlands and coral reefs.
Organs of the Immune System: The Spleen. Among organs that contribute to our immune response, there are two categories: primary lymphoid organs and secondary lymphoid organs. The spleen is a secondary lymphoid organ. Your spleen is found about halfway up your torso in the left abdominal cavity.
The spleen is indeed an lymphatic organ. This however does not filter lymph it filters blood. Within the stroma of the organ lies all the different white blood cells, and indeed it is part of our immunity. The spleen does not produce blood, but it is the primary site of red blood cell destruction the liver being the second. Your spleen creates blood and fights infection. It belongs to your lymphatic system.