which disease occurs when not enough oxygen is supplied to the body tissues, which results from a low amount of red blood cells, hemoglobin, or both?

Why is it important to know the difference between stressors we can control and those we can't? a)we can neglect the effects of uncontrollable stressors and focus on the controllable ones. b) it gives us a sense of power to know that we have control over certain stressors. c)it us come up with strategies to reduce the effects of a stressor.

Choose thyroid, parathyroid, or the adrenal gland and choose one disease affecting this part of the en-docrine system.

The nutrient facts label on a food package lists the following: iron 50%. what does this figure indicate?