Explain why an infection may occur in a tissue injury.
What will be an ideal response?
The skin is the largest organ in the body and protects underlying tissues from injury by preventing the passage of microorganisms. The skin and the mucous membranes are considered the body's first line of defense.
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For a doctor, simply looking at a patient's skin can help in making a diagnosis
Indicate whether the statement is true or false
When the body is at rest, one complete cardiac cycle lasts eight seconds
a. True b. False Indicate whether the statement is true or false
Motor neurons of the autonomic nervous system
A. always excite effector organs. B. always inhibit effector organs. C. do not excite effector organs but monitor their status of activity. D. can either excite or inhibit effector organs.
Aldosterone stimulates ion pumps along the distal convoluted tubule (DCT), the collecting tubule, and the collecting duct, causing __________.
countercurrent multiplication a decrease in the concentration of the filtrate a reduction in the number of sodium ions lost in the urine an increase in the number of sodium ions lost in the urine