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
4. The liver helps in the breakdown of fats. Answer: True
5. The lungs are located in the abdomen. Answer: False
6. Kidneys are bean-shaped organs. Answer: True
7. The large intestine is longer than the small intestine. Answer: False
8. Oxygen is absorbed in the bloodstream in the lungs. Answer: True
9. The small intestine absorbs water from waste. Answer: False
10. The heart beats around 72 times per minute. Answer: True
Class 4 EVS Internal Organs Question and Answers
1. What is the function of the brain?
The brain controls the body’s functions, receives signals from sense organs, stores information, and helps in thinking and learning.
2. What does the stomach secrete for digestion?
The stomach secretes gastric juices to aid in digestion.
3. How many chambers are in the heart?
The heart has four chambers: right atrium, left atrium, right ventricle, and left ventricle.
4. What is the largest gland in the body?
The liver is the largest gland in the body.
5. What are the kidneys’ primary function?
The kidneys filter water and salts from the blood and remove waste as urine.
6. How long is the small intestine?
The small intestine is about 20 feet long.
7. What is the role of the large intestine?
The large intestine absorbs water from waste and creates stool.
8. What color are arteries and veins?
Arteries are red, and veins are blue.
9. Where is the liver located in the body?
The liver is located on the right side of the stomach.
10. What does the liver secrete for digestion?
The liver secretes bile juice.
11. How is blood purified in the heart?
Deoxygenated blood is received and oxygenated blood is pumped to the body.
12. What protects the lungs?
The lungs are protected by the rib cage.
13. What connects the stomach to the large intestine?
The small intestine connects the stomach to the large intestine.
14. What happens during inhalation and exhalation?
During inhalation, the lungs expand, and during exhalation, they contract.
