53 Questions
What is the role of the colon in excretion?
Excreting solid waste
Where does urea, mineral salts, and water originate from?
Liver
What is the primary role of the bladder in excretion?
Storing and expelling urine
Which organ is responsible for exhaling carbon dioxide as part of excretion?
Lungs
Where are excess ions, water, and nitrogenous wastes removed from the blood?
Kidneys
What is the main function of the skin in the context of excretion?
Regulating body temperature
Which organ plays a role in storing urine until it is expelled?
Bladder
What substance does the alimentary canal remove from the liver through feces?
Indigestible substances
Which organ removes excess urea in the body?
Kidneys
What is the primary excretory role of the lungs?
Elimination of carbon dioxide (CO2) and water vapor
Which organ excretes perspiration that includes water, mineral salts, and small amounts of urea?
Skin
What is extracted from the blood by the skin's excretory role?
Urea
Which organ forms urea through the deamination of excess amino acids?
Liver
Where do bile pigments originate in the human body?
Liver
Which of the following is NOT a substance excreted by the skin?
Hemoglobin
What is a significant component of sweat that helps regulate body temperature?
Water
Which organ plays a role in detoxification along with excretion in humans?
Liver
What is the origin of carbon dioxide excreted by the lungs?
By-product of cellular respiration
What is the primary excretory role of the liver?
Detoxification and excretion
What substance is excreted by the skin through perspiration?
Water, mineral salts, and small amounts of urea
Where are urea and bile pigments formed in the human body?
By the liver
Which organ plays a primary role in detoxification, metabolism, and excretion?
Liver
What is a by-product of cellular respiration that the lungs primarily excrete?
Water vapor
Which organ removes excess amino acids through the formation of urea?
Liver
What is the primary excretory substance excreted by the lungs?
Carbon dioxide
Where do mineral salts and urea originate from in the sweat produced by the skin?
From the blood
What significant component of sweat helps regulate body temperature?
Water
Which metabolic process leads to the production of CO2 and H2O as waste products excreted by the lungs?
Cellular respiration
What is the role of the liver in excretion related to bile pigments?
Breaking down hemoglobin
What is a substance excreted by the kidneys, originating from the liver where amino acids are deaminated?
Urea
Which body part is directly involved in processing toxins and preparing waste products for elimination?
Liver
What is the main excretory function of the lungs that contributes to the body's acid-base balance?
Expiration of carbon dioxide
Which organ in the human body is responsible for balancing blood pressure, electrolytes, and acid-base levels by filtering blood?
Kidneys
What role does the alimentary canal play in excretion?
Discarding indigestible substances
Which of the following is a substance excreted by the alimentary canal through the colon as solid waste?
Bile pigments
What is the primary container for storing urine in the human body before expulsion?
Bladder
Which primary excretory role does the skin play in regulating body functions?
Controlling body temperature
By what process does the liver eliminate indigestible substances and waste products from the body?
Fecal elimination
Which component exhaled by the lungs serves a crucial role in maintaining blood pH?
Carbon dioxide
What is the role of the liver in excretion?
Bile production and waste elimination
Which organ plays an essential role in removing excess amino acids through the formation of urea?
Liver
What is the primary excretory function of the skin related to perspiration?
Temperature regulation
Where do urea and bile pigments originate in the human body?
Liver
Which metabolic process leads to the production of carbon dioxide and water vapor excreted by the lungs?
Cellular respiration
What substances are excreted by the skin through perspiration?
Water, mineral salts, and small amounts of urea
What is the primary excretory role of the lungs concerning waste products?
Elimination of carbon dioxide
What is the primary role of the liver in the context of excretion?
Producing and excreting urea
What is the main function of the lungs in the context of regulation of blood pH?
Preventing acidosis by exhaling carbon dioxide
How does the process of excreting solid waste differ in the colon and bladder?
The colon excretes solid waste, and the bladder holds urine for expulsion
Which organ is primarily responsible for balancing blood pressure and electrolyte levels?
Kidneys
What is the main function of the skin in the process of excretion?
Regulating body temperature and excreting waste molecules
Which organ does not secrete substances but plays a pivotal role in storing and eliminating urine?
Bladder
What is the major difference between the excretory roles of the alimentary canal and the kidneys?
The alimentary canal removes indigestible substances, while the kidneys filter blood and excrete wastes
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