Biology
Which of the following blood vessels is comprised of thick walls and narrow central lumen?
- Vein
- Venule
- Artery
- Capillary
Related Questions
Main reason for sharp rise in world human population in the recent past
- Poor health care
- Improved nutrition
- More deaths
- Small scale immunisation
In human females, 23rd pair of chromosome is
- XY
- XX
- Both XX and XY
- Neither XX or XY
Maximum amount of water from the glomerular filtrate is reabsorbed in
- PCT
- descending limbs of loop of Henle
- ascending limbs of loop of Henle
- DCT
Harish went to the beach for vacation of 2-3 days. After coming home he noticed his skin tone has darkened. This was due to
- melanin
- rhodopsin
- thyroxine
- serotonin