Understanding Nephrons: How Your Kidneys Filter and Concentrate Urine

Understanding Nephrons: How Your Kidneys Filter and Concentrate Urine

Question 1. Pathological constituents of urine.
Answer:

Question 2. Renal tubular function.
Answer:

• Renal tubules bring about.
  1. Secretion:
     • It refers to the transport of solutes from the peritubular capillaries into the tubular lumen.
     • It causes further addition of substances from the circulation into filtrate of renal tubules.
  2. Reabsorption:
     • It means return of substances from the filtrate in the lumen of renal tubules back into circulation.
     • It denotes the active transport of solutes and the passive movement of water from the tubular lumen into the peritubular capillaries.

Question 3. Types of nephron
Answer:

• Based on the situation of renal corpuscles, nephrons are classified into
  1. Cortical nephron
  2. Juxtamedullary nephron

Question 4. Draw labelled diagram of glomerular membrane
Answer:

Question 5. Name two types of sweat glands.
Answer:

Types of sweat glands:

• Eccrine gland
• Apocrine gland