Ques: Q: Blood calcium levels are tightly regulated by the what system? Choices: - digestive - cardiovascular - nervous - endocrine A:
Ans: endocrine

Ques: Q: What passes through the prostate gland immediately inferior to the bladder before passing below the pubic symphysis? Choices: - rectum - vagina - cerebellum - urethra A:
Ans: urethra

Ques: Q: Groundwater dissolves minerals and carries the ions in a what? Choices: - mixture - transition - jet stream - solution A:
Ans: solution

Ques: Q: Deterioration of limestone occurs more rapidly as the concentration of what increases? Choices: - ground pollutants - water pollutants - ocean pollutants - air pollutants A:
Ans:
air pollutants