Answer:
The main difference between osteoarthritis and rheumatoid arthritis is the cause behind the joint symptoms. Osteoarthritis is caused by mechanical wear and tear on joints. Rheumatoid arthritis is an autoimmune disease in which the body's own immune system attacks the body's joints.
Explanation:
the correct spelling is option A.) Retinopathy the prefix is retin or retino
Answer: red blood cells
Explanation:
Hemoglobin, iron-containing protein in the blood of many animals—in the red blood cells (erythrocytes) of vertebrates—that transports oxygen to the tissues
True- an involuntary reflex is a reaction that happens when something else occurs. A involuntary reflex is something our body is “programmed” to do automatically.
