An author's credentials can determine a health source's credibility. None of the other options would apply to credibility. When it comes to health, if you want to make sure that what you are researching or reading is authentic and reliable you need to find out whether the author is a professional health expert or not. You can do this by finding out their credentials.
Answer:
A. Filtering Blood to Remove Unwanted Waste
Explanation:
Excretory system is comprised of Kidneys, liver, lungs and skin.
INTRODUCTION. The physiological determinants of the length of the interval between two consecutive live births. to the same woman, in the absence of intervening foetal deaths, are. (I) The duration of post-partum infecundity; (2) Fecundability;'
in my own words being born...
