Kidney stones that are present are called calculi (plural of calculus: "stone" in Latin). They may or may not ever obstruct, but when they do it is termed "Nephrolithiasis."
Answer:
When providing antibiotics to cows, it provides unspecified chemicals that can range to many different issues. These chemicals can both affect the cow and its produce. Asserting the fact into yogurt, this antibiotic(dependant on its chemical) can affect the product within both positive and negative ways. If the chemical is positive, it can increase mass,taste and even quality. If it is negative, it can create a bad taste,bad quality and even transmit diseases!
Species diversity hurts ecological succession. Explanation: Species diversity does not contribute for ecological succession. The diversity among the species is high at pioneer community. However as time passed competition and interaction causes a significant drop in species diversity.
The answer would be pituitary gland.
Completed sentence: Growth hormone is secreted by the pituitary gland while we sleep.