Assertion (A): The inner walls of …
Assertion (A): The inner walls of the small intestine have finger like projections called villi which are rich in blood. Reason (R): These villi have a large surface area to help the small intestine in completing the digestion of food.
Posted by Mohammad Zuhaib 6 months, 1 week ago
- 1 answers
The rear view mirror of a car is plane mirror. A driver is reversing his car at a speed of 2m /s. The driver sees in his rear view mirror, the image of a truck parked behind the car. The speed at which the image of a truck appears to approach the driver will be
Posted by Savitoj Kaur 3 days, 14 hours ago
- 0 answers