Class 4 EVS Internal Organs
Please find Class 4 EVS Internal Organs , FIB ,MCQ ,True False and Question Answers.
Fill in the Blanks
1. The _______ controls the entire function of our body. Answer: Brain
2. The _______ secretes gastric juices that help in the digestion of food. Answer: Stomach
3. The heart has four chambers: right atrium, left atrium, right ventricle, and _______.
Answer: Left ventricle
4. The _______ is the largest gland in the body. Answer: Liver
5. The _______ filters toxins and controls blood sugar. Answer: Liver
6. Oxygen from inhaled air is absorbed in the bloodstream in the _______. Answer: Lungs
7. The _______ filter water and salts from our blood. Answer: Kidneys
8. The _______ intestine is about 20 feet long. Answer: Small
9. The _______ intestine absorbs water and creates stool. Answer: Large
10. The _______ carries oxygen-rich blood to the heart. Answer: Veins
Multiple Choice Questions
1. Which organ controls emotions and muscle coordination?
a) Heart
b) Stomach
c) Brain
d) Lungs
Answer: c) Brain
2. What does the liver secrete to aid digestion?
a) Gastric juice
b) Bile juice
c) Saliva
d) Pancreatic juice
Answer: b) Bile juice
3. How many chambers does the heart have?
a) Two
b) Three
c) Four
d) Five
Answer: c) Four
4. Which organ is pear-shaped and aids in digestion?
a) Liver
b) Stomach
c) Kidney
d) Heart
Answer: b) Stomach
5. What is the function of kidneys?
a) Pump blood
b) Filter blood
c) Absorb nutrients
d) Produce gastric juice
Answer: b) Filter blood
6. Which organ is responsible for gas exchange?
a) Liver
b) Brain
c) Lungs
d) Heart
Answer: c) Lungs
7. Where does most nutrient absorption occur?
a) Large intestine
b) Small intestine
c) Stomach
d) Liver
Answer: b) Small intestine
8. What color do veins appear?
a) Red
b) Blue
c) Yellow
d) Green
Answer: b) Blue
9. Which organ filters toxins from the blood?
a) Kidneys
b) Liver
c) Stomach
d) Heart
Answer: b) Liver
10. The small intestine connects the stomach to the _______.
a) Liver
b) Kidneys
c) Large intestine
d) Brain
Answer: c) Large intestine
True/False
1. The brain is protected by the skull. Answer: True
2. The heart pumps oxygenated blood through veins. Answer: False
3. The stomach is located above the ribs. Answer: False
