1. (i) Type of Fatigue: Sarthak is experiencing mental fatigue, which happens when the brain is overworked or stressed from continuous intellectual activity, leading to a loss of motivation.
2. (ii) Reason for Mental Fatigue: One common reason for mental fatigue is over-load of work. Since Sarthak has been working on his project for six months without adequate breaks or changes in routine, his mind may feel exhausted.
3. (iii) Ways to Reduce Mental Fatigue:
1. Take Breaks: Sarthak should take regular breaks to relax and refresh his mind. A short break of 15-20 minutes every hour can prevent burnout.
2. Delegate Tasks or Seek Help: He can break the project into smaller parts and delegate tasks to others or ask for help from teachers or classmates to share the workload.
Select TRUE statements about lymph from the following:
A. Lymph vessels carry lymph through the body and finally open into larger arteries.
B. Lymph contains some amount of plasma, proteins and blood cells.
C. Lymph contains some amount of plasma, proteins and red blood cells.
D. Lymph vessels carry lymph through the body and finally open into larger veins.
The true statements are: