Olympiad class 5 GK Our Body and Health
1 / 25
Which part of the brain controls breathing and heart rate?
2 / 25
Which hormone helps regulate the sleep-wake cycle?
3 / 25
Which type of muscle is found in the heart?
4 / 25
Which organ is the largest gland in the human body?
5 / 25
Which organ produces bile?
6 / 25
Which part of the eye controls the amount of light that enters?
7 / 25
Which organ is known as the " voice box"?
8 / 25
Which vitamin is essential for good vision?
9 / 25
Which organ is primarily responsible for filtering blood?
10 / 25
Which hormone regulates blood sugar levels?
11 / 25
Deficiency of vitamin A causes _____.
12 / 25
Which type of blood cell fights infections?
13 / 25
What is the smallest unit of life in the human body?
14 / 25
Which mineral is essential for healthy bones and teeth?
15 / 25
What is the main function of platelets?
16 / 25
Which vitamin is known as the "sunshine vitamin"?
17 / 25
Which organ produces insulin?
18 / 25
Which part of the digestive system absorbs most of the nutrients?
19 / 25
What grows quicker _____ hair or toenails.
20 / 25
Which mineral is essential for carrying oxygen in the blood?
21 / 25
Which part of the brain controls balance and coordination?
22 / 25
What is the main function of red blood cells?
23 / 25
Which organ is responsible for producing red blood cells?
24 / 25
Which type of blood vessel carries blood away from the heart?
25 / 25
Which organ is part of both the respiratory and digestive systems?
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