Most varicose and spider veins appear in the legs due to the pressure of body weight, force of gravity, and task of carrying blood from the bottom of the body up to the heart. Compared with other veins in the body, leg veins have the toughest job of carrying blood back to the heart. They endure the most pressure.aser treatments last for 15 to 20 minutes. Generally, 2 to 5 treatments are needed to remove spider veins in the legs. Laser therapy usually isnât effective for varicose veins larger than 3 mm (about a tenth of an inch). You can return to normal activity right after treatment.
Sponges are animals of the phylum Porifera (/pÉËrÉªfÉrÉ/ ; meaning pore bearer). They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells.ponge biodiversity and morphotypes at the lip of a wall site in 60 feet of water. Included are the yellow tube sponge, Aplysina fistularis, the purple vase sponge, Niphates digitalis, the red encrusting sponge, Spiratrella coccinea, and the gray rope sponge, Callyspongia sp.
Written By: Sponge, any of the primitive multicellular aquatic animals that constitute the phylum Porifera. They number approximately 5,000 described species and inhabit all seas, where they occur attached to surfaces from the intertidal zone to depths of 8,500 metres (29,000 feet) or more.