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Compared to the veins, the walls of arteries are
very much thinner
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The normal systolic blood pressure is
Oparin is known for his hypothesis on
The equilibrium and co-ordination is looked after by which part of the…
Pacemaker is the
The most accepted theory of the origin of earth is the fiery origin which…
The insects do not have blood pigments because
The protoplasm of a child is exactly the same as that of its
Damage to hearing is caused by sounds which exceed
The theory that believes that the first living organism came from another…
The hormones are carried to target organs through the
Tse-Tse fly is the vector for
Which one of the following animals stores water in the intestine?
Clotting of blood is
Oxygen transport is a function of
The olfactory area is concerned with
When does the heart start functioning?
The bile contains the pigments
Food substances are substances by
Excess of amino-acids are broken down to form urea in the
Which among the following is the best source of proteins?
A person with a blood group ____ is considered to be an universal donor.
Oxygen transportation in human body takes place through1) Blood2) Lungs3)…
The counting of RBC's can be performed by
Light compensation zone refers to
Adaptation for flying is termed as
Who coined the term gene?
Valves are present inside
The blood pressure is controlled by the hormone
Plants grown in darkness show
The rate of growth of plants can be measured by a/an
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