Excretory System Flashcards
What is the primary function of the excretory system?
To remove waste products from the body and regulate water and electrolyte balance.
True or False: The kidneys are the main organs of the excretory system.
True
Fill in the blank: The functional unit of the kidney is called the __________.
nephron
What are the two main types of waste products removed by the excretory system?
Nitrogenous wastes and toxins.
Which substance is primarily reabsorbed in the proximal convoluted tubule of the nephron?
Glucose
What hormone regulates water reabsorption in the kidneys?
Antidiuretic hormone (ADH)
Multiple Choice: Which of the following is NOT a function of the excretory system? A) Regulation of blood pressure B) Production of hormones C) Digestion of food
C) Digestion of food
True or False: The ureters transport urine from the kidneys to the bladder.
True
What is the role of the glomerulus in the nephron?
To filter blood and form urine.
Fill in the blank: The waste product formed from the breakdown of proteins is __________.
urea
What is the main organ responsible for filtering blood in the excretory system?
Kidneys
Multiple Choice: Which of the following is a waste product that is excreted by the kidneys? A) Glucose B) Urea C) Amino acids
B) Urea
True or False: The bladder stores urine until it is excreted from the body.
True
What process allows for the selective reabsorption of substances in the nephron?
Tubular reabsorption
Fill in the blank: The __________ is the tube through which urine exits the body.
urethra
What is the name of the condition characterized by the presence of excess protein in urine?
Proteinuria
Multiple Choice: Which part of the nephron is primarily responsible for secretion? A) Glomerulus B) Loop of Henle C) Distal convoluted tubule
C) Distal convoluted tubule
True or False: The skin is part of the excretory system.
True
What is the term for the process of filtering blood in the kidneys?
Glomerular filtration
Fill in the blank: __________ is the main organ for regulating electrolyte balance in the body.
Kidneys
