Cats can purr for various reasons, using the soft rumble as a way of communicating and as a form of self-soothing or even healing. This is why cats will often purr when they're injured, or after a stressful event.
The answer is urine because it is a liquid waste that filters blood.
Some health consequences are obesity
True - Being socially healthy can result from being emotionally healthy
Answer:
Prior to more stringent blood safety measures and more sensitive tests, HIV from infected blood donors made its way into blood products. From the late 1970s to the mid-1980s, about half of all people with hemophilia became infected with HIV after using contaminated blood products.