Biology
Write True or False for the following statements in the spaces provided. Rewrite the false statements in correct form.
- Removal of solid undigested food is excretion.
- Medulla of kidney passes urine into urinary bladder.
- Excess sugar in blood is a symptom of diabetes.
- Urine is devoid of blood cells.
Excretory System
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Answer
- False
Corrected statement — Removal of all kind of unwanted and toxic metabolic wastes is called excretion. - False
Corrected statement — The medulla drains the urine into a funnel-shaped structure called the renal pelvis which further passes it to the urinary bladder through ureters. - True
- True
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Related Questions
Match the terms given in column A with those of column B :
Column A Column B (i) Beverages (a) Fat-soluble (ii) Vitamins B and C (b) Ammonia, Uric acid (iii) Vitamins A and D (c) Urea, Mineral salts (iv) Nitrogenous wastes (d) Tea, Coffee (v) Constituents of urine (e) Water-soluble Name the following:
- The basic structural and functional unit of kidney.
- The cup-shaped structure of nephron.
- The part of nephron which collects urine from the convoluted tubule.
- The process of filtration of blood through a machine, outside the human body.
- The disease which can be identified by the presence of glucose in the urine.
- The blood vessel that brings blood to the kidneys.
Where in the urinary system do the following processes take place?
- Urine formation
- Transport of urine away from kidney
- Temporary storage of urine
Name :
- Three nitrogenous wastes of the body.
- Four main organs of the human urinary system.
- Three accessory excretory organs in humans.
- Three crystalline substances which can cause kidney stones.
- Two water soluble vitamins.