Which of these characteristics affects the diffusion of oxygen into the icefish's blood?

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.

Pulmonary arteries carry highly oxygenated blood. true or false?

Climate like that in the sahara desert have the fastest rates of weathering