Please select a subject first
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The percentage of oxygen in the exhaled air of respiration is ______.
Concept: undefined >> undefined
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Jan Ingenhousz showed that chlorophyll is essential to the plant to carry out photosynthesis.
Concept: undefined >> undefined
Analogy:
Oxygen: Joseph Priestley.
Nitrogen: ______.
Concept: undefined >> undefined
Analogy:
Respire through skin: ______
Respire through gills: Fish.
Concept: undefined >> undefined
Which is used in refrigerating meat and fish?
Concept: undefined >> undefined
______ are produced in the bone marrow.
Concept: undefined >> undefined
Blood is a fluid connective tissue.
Concept: undefined >> undefined
The ______ brings blood containing oxygen and urea from the aorta to the kidneys.
Concept: undefined >> undefined
The method employed to separate clay particles from water is ______.
Concept: undefined >> undefined
Why do we sweat more in summer?
Concept: undefined >> undefined
______ is strengthening muscles and the cardiovascular system.
Concept: undefined >> undefined
How does Physical exercise help us?
Concept: undefined >> undefined
What are the safety measures to safeguard a person from electric shock?
Concept: undefined >> undefined
Evaporation of water from lakes and river ______.
Concept: undefined >> undefined
What is the pulse rate?
Concept: undefined >> undefined
Complete the given analogy.
Husk-Grains : Winnowing :: Sawdust- Chalk piece:______.
Concept: undefined >> undefined
Complete the given analogy.
Husk-Grains : Winnowing :: Sawdust- Chalk piece : ______.
Concept: undefined >> undefined
Complete the given analogy.
Husk-Grains : Winnowing :: SawdustChalk piece : ______
Concept: undefined >> undefined
