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What is the normal weight of human liver ?

Liver.PNG
0.44–0.66 kg
0.94–1.26 kg
1.44–1.66 kg
1.84–2.66 kg


A human liver normally weighs 1.44–1.66 kg (3.2–3.7 lb) and is a soft, pinkish-brown, triangular organ.

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The human eye can distinguish about _________ million colors. Choose the correct value.

10
20
30
40


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How many muscles controls the human eye movement ?

Eye.png
4
5
6
7


Each eye has six muscles that control its movements: the lateral rectus, the medial rectus, the inferior rectus, the superior rectus, the inferior oblique, and the superior oblique

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The brain consumes up to_____ percent of the energy used by the human body, more than any other organ. Select the correct value.

10
15
20
25


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What is the name of the biggest part of the human brain ?

Cerebrum
Keratin
Larynx
Iris


In humans, the cerebrum is the superior-most region of the vertebrate central nervous system.

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What is the name of the substance that gives skin and hair its pigment ?

Ribs
Circulation
Melanin
Comea


It is a ubiquitous natural pigment found in most organisms. The production of melanin in human skin is called melanogenesis.

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The shape of DNA is known as what ?

Double helix
Single helix
Triple helix
Qudra helix


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At birth, how many bones do a human have ?

206
291
350
410


We start off life with 350 bones. However, bones fuse together as we grow, leaving an adult with only 206 bones.

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Red blood corpuscles in human body are formed in which body organ ?

Liver
Bone marrow
Kidneys
Heart


Bone marrow is the flexible tissue in the interior of bones. In humans, red blood cells are produced in the heads of long bones in a process known as hematopoesis

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What is the main component of bones and teeth ?

Calcium carbonate
Calcium phosphate
Calcium sulphate
Calcium nitrate


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