The extensor pollicis longus muscle begins at the ulna and the interosseous membrane, a tough fibrous tissue that connects the ulna and the radius in the lower arm.It is a skeletal muscle and is controlled by the motor nervous system.ts fibers are striated, which means they are arranged in parallel. The extensor pollicis longus muscle ends at the distal phalanx (the tip) of the thumb. The muscle serves to extend the thumb. When moving the thumb, the muscle uses the radial tubercle as a pulley.
The biomes Velociraptors lived in was mostly hot and dry desert types of land with enough water supply to live. you have to remember this was 80-85 million years ago so there wasn't the oceans. Other dinosaurs in the area were the following that I have listed. I hope I helped!!!
a small carnivorous dinosaur of the genus Velociraptor, from the late Cretaceous period, capable of leaping, and growing to a length of about 6 feet (2 meters), having feathers, a flat snout, short forelimbs with large handlike talons, and a large sickle-shaped claw on each foot.