Human Organ systems Book Back Questions & Answers
Unit 6 > Science > Class 6 > Samacheer Kalvi - English Medium
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1. Circulatory system transports these throughout the body
a. Oxygen
b. Nutrient
c. Hormones
d. All of these
Correct answer: d. All of these
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2. Main organ of respiration in human body is
a. Stomach
b. Spleen
c. Heart
d. Lungs
Correct answer: d. Lungs
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3. Breakdown of food into smaller molecules in our body is known as
a. Muscle contraction
b. Respiration
c. Digestion
d. Excretion
Correct answer: c. Digestion
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1. A group of organs together make up an ____________________ system
Correct answer: organ
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2. The part of the skeleton that protects the brain is __________________
Correct answer: the skull
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3. The process by which the body removes waste is _____________________
Correct answer: excretion
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4. The ______________ is the largest sense organ in our body
Correct answer: skin
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5. The endocrine glands produce chemical substances called ________________
Correct answer: hormones
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1. Blood is produced in the bone marrow.
Correct answer: FALSE
Correct Statement: RBCs are produced in the bone marrow.
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2. All the waste products of the body are excreted through the circulatory system
Correct answer: False
Correct Statement: All the waste products of the body are excreted through the excretory system
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3. The other name of food pipe is alimentary canal
Correct answer: False
Correct Statement: The other name of food pipe is alimentary canal Oesophagus
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4. Thin tube like structures which are the component of circulatory system are called blood vessels.
Correct answer: False
Correct Statement: Thin tube like structures which are the component of circulatory system are called capillaries
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5. The brain, the spinal cord and nerves form the nervous system.
Correct answer: False
Correct Statement: The brain, the spinal cord, the nerves and the sensory organ form the nervous system.
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1. Ear
Correct answer: Sound
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2. Skeletal System
Correct answer: Protection of internal organs
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3. Diaphragm
Correct answer: Flat muscle
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4. Heart
Correct answer: Cardiac muscle
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5. Lungs
Correct answer: Air sacs
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1. Stomach - Large Intestine - Oesophagus - Pharynx - Mouth - Small Intestine - Rectum - Anus
Correct answer: Mouth - Pharynx - Oesophagus - Stomach - Small intestine - large intestine - Rectum - Anus
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2. Urethra - Ureter - Unirary Bladder - Kidney
Correct answer: Kidney - Ureter - Urinary Bladder - Urethra
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1. Arteries : Carry blood from the heart:: _________ :carry blood to the heart
Correct answer: Veins
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2. Lungs: Respiratory system:: ___________: Circulatory system
Correct answer: Heart
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3. Enzymes: Digestive glands:: _____________: Endocrine glands
Correct answer: Hormones