Disorders of collagen are characterized by deterioration of connective tissues. The reason w<span>hy you would expect such diseases to produce widely varying symptoms because </span><span>connective tissues and collagen inside it are found everywhere in the body! so almost all of body organs are involved in these disorders.</span>
From agricultural farmers
Both. You can use it as singular or plural.
Answer:
Stomach acid kills bacteria and parasites that have been swallowed. Your urine flow flushes out pathogens from the bladder area. Skin, tears and mucus are part of the first line of defence in fighting infection. They help to protect us against invading pathogens
Explanation: