Advertisements
Advertisements
प्रश्न
State the Location: Urinary bladder
उत्तर
It lies in the pelvic of the abdomen.
APPEARS IN
संबंधित प्रश्न
Choose the correct answer:
Vitamin excreted through urine in mammals is ______________
Choose the odd one out in the following serie:
Urea, uric acid, haemoglobin.
What is osmoregulation?
Differentiate between:
Excretion and Secretion.
Name the Following
The muscle which controls urination.
Choose the correct option.
Volume of the urine is regulated by ______.
The glomerular capillaries filter out its contents due to ____________.
Match the terms given in Column I with their physiological processes given in Column II and choose the correct answer
| Column I | Column II |
| A. Proximal convoluted tubule | i. Formation of concentrated urine |
| B. Distal convoluted tubule | ii. Filtration of blood |
| C. Henle's loop | iii. Reabsorption of 70 - 80% of electrolytes |
| D. Counter-current mechanism | iv. Ionic balance |
| E. Renal corpuscle | v. Maintenance of concentration gradient in medulla |
Explain the role of kidney in hormone secretion.
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.
