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प्रश्न
Multiple Choice Question: Urea is synthesized from extra amino acids in:
विकल्प
Kidney
Liver
Uriniferous tubules
Blood
उत्तर
Liver
APPEARS IN
संबंधित प्रश्न
Name the following:
Animals which excrete uric acid.
The given diagram represents a nephron and its blood supply. Study the diagram and answer the following question :
Name the two main stages of urine formation.
Think of the following: Tears, sweat, saliva, milk, Insulin, urine.
What are these excretion or secretion ? Why ?
Write about the excretory role of the lungs.
Why urine is acidic while blood is alkaline?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Urine leaves the urinary bladder of a female by means of the uterus.
Circle the odd one.
The endocrine nature of the kidney is indicated by the secretion of ______
The bunch of capillaries inside the Bowman’s capsule.
Kidneys are vital organs for survival. Several factors like infections, injury or restricted blood flow to kidneys reduce the activity of kidneys. This leads to the accumulation of poisonous wastes in the body, which can even lead to death. In case of kidney failure, an artificial kidney can be used. An artificial kidney is a device to remove waste products from the blood through dialysis.
i. a. Name the artery that brings oxygenated blood to the kidney.
b. Name the cluster of the thin-walled blood capillaries present in the Bowman's capsule.
ii. In the human excretory system, name the organ which stores urine. Is this organ under hormonal control or nervous control?
iii. List two major steps involved in the formation of urine and state in brief their functions.
OR
iii. In which part of the nephron does selective reabsorption take place? List the factors which the amount of water reabsorbed depends on.
