Acouple has been trying to conceive a child for 12 months. they decide to consult a doctor about their inability to conceive. after several tests, the doctor suggests that perhaps they will need to use because of a low sperm count.

True or false mucous membranes destroy pathogens on the outer body surface, at body openings.

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?

How does stress affect the digestive system? o a. reduces ability to break down foods b. reduces acid production to slow digestion o c. increases desire for fruits and vegetables o d. increases ability to break down food submit