Question

4. Functional unit of brain is

a) Neuron b) Nephron c) Brain stem d) Nerves

5. Blood is bumped by

a) Lungs b) Heart c) Kidneys d) Bones

II Fill in the blanks.

1. A group of organs together make up an ______ system.

2. The process by which the body removes waste is called ___________

3. The number of chambers in human heart are _________

4. The functional unit of kidney is ________

5. The human nervous system is divided into _________ parts.

III Say True or False.

1. In human respiratory system, length of trachea is 8-10 cm.

2. The circulatory system is made up of the heart, blood and blood vessels.

3. Important function of the heart is to transport blood with nutrients, oxygen, waste

and hormones.

4. The brain is protected by the rib cage.

5. The functional unit of kidney is neuron.

IV Circle the odd one.

1. a) Mouth b) Buccal cavity c) Pharynx d) Lungs

2. a) Nostrils b) Nasal cavity c) Pharynx d) Stomach

3. a) Mouth b) Esophagus c) Stomach d) Kidney

4. a) Taste b) Hear c) Think d) Smell

5. a) Cerebrum b) Cerebellum c) Medulla Oblongata d) Nephron

V Match the following.

Digestive System - Kidney

Respiratory system - Brain

Circulatory system - Alimentary canal

Excretory system - Heart

Nervous System - Lungs​

Answer 1

4. neuron

5  Heart

II Fill in the blanks.

1. organ

2. excretion

3. four chambers

4. nephrons

5. two

III Say True or False.

1. false

2. true

3. true

4. false

5. false

IV Circle the odd one out

1. mouth

2. nasal cavity

3. stomach

4. think

5. nephron

V Match the following.

Digestive System-Alimentary canal

Respiratory system -Lungs

Circulatory system-Heart

Excretory system-Kidney

Nervous System-brain

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Explanation: