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Identify the holocrine gland from the following.

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Important Questions on B: Breathing and Respiration

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Volume of air either inspired or expired during normal respiration is
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Maximum volume of air a person can breathe in after a forced expiration is
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Identify the sequence of steps involved during inspiration in the rabbit:

(A) Volume of thoracic cavity increases.

(B) Contraction of external intercostal muscles moves the rib cage forward.

(C) Diaphragm becomes flat.

(D) Thoracic cavity expands drawing air into lungs.

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In mammals the secondary palate is formed by the union of
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The percent concentration of carbon dioxide in the alveolar air is:
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The opening of the common bile duct is guarded by this sphincter:
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The vitamin which regulates the absorption of calcium from intestine in rabbit is