The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils. Hope this helps.
The statement that narcotics, or also known as opiates or painkillers, relieve pain, induce sleep and elevate mood is true. Correct answer: A
These drugs are prescribed to treat severe pain. However when a person uses a narcotic over a period of time, she greatly increases her risk of developing an addiction and can lead to health problems.
Answer:
D. cleaning the house and going grocery shopping
Explanation: took the test that the answer
The red blood cells bring oxygen to them and the lungs expel the carbon dioxide
Coping strategy is something that distracts the mind from the bad things in life
