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Human Body: Organ Systems- 2 - Class 3 MCQ


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10 Questions MCQ Test Science for Class 3 - Human Body: Organ Systems- 2

Human Body: Organ Systems- 2 for Class 3 2024 is part of Science for Class 3 preparation. The Human Body: Organ Systems- 2 questions and answers have been prepared according to the Class 3 exam syllabus.The Human Body: Organ Systems- 2 MCQs are made for Class 3 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Human Body: Organ Systems- 2 below.
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Human Body: Organ Systems- 2 - Question 1

The organ in the diagram helps us in:

Detailed Solution for Human Body: Organ Systems- 2 - Question 1

The organ in the nose that helps us is the olfactory system. This system is responsible for our sense of smell. Within the nasal cavity, there are specialized cells called olfactory receptors that detect and transmit signals about different odors to the brain. The sense of smell plays a crucial role in detecting and identifying various scents in the environment, influencing our taste, and even contributing to emotional responses.

Human Body: Organ Systems- 2 - Question 2

What is the organ shown in the following diagram?

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Human Body: Organ Systems- 2 - Question 3

Tongue helps us in:

Detailed Solution for Human Body: Organ Systems- 2 - Question 3

The tongue aids in various functions, including taste perception, swallowing, and speech articulation.

Human Body: Organ Systems- 2 - Question 4

The organ shown in the below diagram is:

Human Body: Organ Systems- 2 - Question 5

Which of these are used mainly for the sense of smell?

Human Body: Organ Systems- 2 - Question 6

The reproductive system helps us to:

Detailed Solution for Human Body: Organ Systems- 2 - Question 6

The reproductive system enables the process of sexual reproduction, allowing for the creation of offspring and the continuation of the species.

Human Body: Organ Systems- 2 - Question 7

Our stomach is located:

Detailed Solution for Human Body: Organ Systems- 2 - Question 7

The stomach is located in the upper abdomen, beneath the ribcage and on the left side of the body.

Human Body: Organ Systems- 2 - Question 8

Our heart has ____chambers.

Detailed Solution for Human Body: Organ Systems- 2 - Question 8

Our heart has four chambers. The heart is a muscular organ that pumps blood throughout the body, and it is divided into four chambers: two atria (upper chambers) and two ventricles (lower chambers). The right atrium receives deoxygenated blood from the body and sends it to the right ventricle, which then pumps the blood to the lungs for oxygenation. The left atrium receives oxygenated blood from the lungs and sends it to the left ventricle, which pumps the oxygen-rich blood to the rest of the body. The division of the heart into four chambers allows for an efficient and coordinated pumping of blood to meet the body's oxygen and nutrient requirements.

Human Body: Organ Systems- 2 - Question 9

Kidneys are located in the:

Detailed Solution for Human Body: Organ Systems- 2 - Question 9

The kidneys are situated in the abdominal cavity, specifically in the retroperitoneal space, on either side of the spine.

Human Body: Organ Systems- 2 - Question 10

Which of the following is not a good habit?

Detailed Solution for Human Body: Organ Systems- 2 - Question 10

Swallowing the food without chewing it is not a good habit. Chewing is an essential part of the digestion process as it breaks down food into smaller particles, making it easier for the digestive enzymes to work and facilitating nutrient absorption.

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