Any substance that is known to cause cancer is called a
A. carcinogen
B. nicolyte
C. pathogen
D. retrovirus
Select your answer:
Topics:
Virus, Bacteria, Immunity Visual Impairment Blood Pathology Levels of Organization Eyes and Hearing Cell and Muscle Histology Health Diseases Key Terms Phlebotomy Immunology Nutrition & Wellness Teeth and Microbes Healthcare Careers The Human Body Types of NutrientsOther quiz:
Urinary System › ViewWhich of the following describes the role of urinary systems in maintaining cellular homeostasis?
A. Urinary systems regulate water balance, pH, and the concentrations of ions in body fluids for cells.
B. Urinary systems are important for the generation of urea, which cells can use as an energy source when carbohydrates become scarce.
C. Urinary systems ensure the delivery of the proper amount of nitrogen to the cells.
D. Urinary systems filter out diseased and damaged cells that can be excreted from the body.
Respiratory System › View
Which statement best describes the function of the respiratory passageways of a human?
A. They permit digestive end-products to make contact with body cells.
B. They permit exchange between the external atmosphere and the circulatory system.
C. They transport gaseous cellular wastes from body cells to the lungs for excretion.
D. They regulate the amount of ammonia and salt dissolved in body fluids.