If the dorsal root of a reflex arc controlling arm movement is severed, what part of the nerve pathway will block nerve impulse?

The term equestrian relates to which animal? bulls cows horses pigs

Explain why ecosystem diversity results in species diversity in a healthy biosphere

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.