Trabecular is a cancellous and porous type of bone. It can be found at the ends of long bones like the femur, where the bone is actually not solid but is full of holes connected by thin rods and plates of bone tissue. Red bone marrow, where all the blood cells are made, fills the space between the trabecular pores.
Cyanide is one of the best known of all poisons. Perhaps best known as the suicide pills reputedly carried by secret agents it was also the active ingredient in the gas (Zyklon B) used by the Nazis in extermination camps such as Auschwitz.
Vibrant but toxic, poison arrow frogs range from less than an inch to two and a half inches in body length. There are more than 100 species of poison dart frogs, varying in color and pattern.The black and green species has black spots, the strawberry or blue jeans frog is all red with blue legs, the yellow-banded species appears painted with yellow and black.Color shades vary among frogs within a species. It is the skin that contains the frog's poison.ts poison, batrachotoxin, can kill many small animals or humans. These frogs are found in Colombia along the western slopes of the Andes. Arrow frogs are not poisonous in captivity. Scientists believe that these frogs gain their poison from a specific arthropod and other insects that they eat in the wild.