Question # 1

The concentration of water in plasma is.

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55%

45%

92%

95%

Right atrium receives.

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Oxgynated blood

Deoxygenated blood

BOth types of blood

no blood

The pulse tells us the rate of..........

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Breathing

Heart beat

Both a and b

None of these

Exchange of gases takes place in.

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Lungs

Bronchioles

Aleoli

Blood

Exchange of material in the body tissues and blood takkes place in.

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Aorta

Ventricles

Capillaries

Veins

The humna circulatory system is consist of

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Heart

Blood

Blood vessels

All of these

The ... prevents food from entering the trachea.

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Glottis

Epiglottis

Bronchi

Alveoli

The thin transparent membrane around heart is called.

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Pericardium

Atria

Veins

Ventricle

Which blood vessesl have valves in it.

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Capillaries

Artery

Vein

Arteriole

Which artery supply blood to the heart

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Pulmonary artery

Hepatic artery

Coronary Artery

Aorta

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