The salivary gland located below the tongue is the:
A. Submandibular gland
B. Sublingual gland
C. Lacrimal gland
D. Parotid gland
Answer: Option B
Solution (By JKSSB Mock Tests)
The sublingual glands are the smallest of the three paired salivary glands, located under the tongue. The parotid is near the ear, submandibular under the jaw.
Explanation:
Bile juice is continuously secreted by the liver. It is stored and concentrated in the gall bladder and released into the duodenum (first part of the small intestine) when food enters. Bile contains bile salts (like bilirubin and biliverdin) which are crucial for the emulsification of fats, breaking them into smaller micelles for easier digestion by lipases.
Explanation:
The placenta is a vascular organ formed from fetal chorion and maternal decidua, facilitating exchange without mixing blood. The umbilical cord connects fetus to placenta.
Explanation:
Cardiac muscle is striated, branched, and involuntary, with intercalated discs containing gap junctions for synchronized contraction. It is unique to the heart wall. Smooth muscle is non-striated and involuntary in visceral organs, skeletal muscle is striated and voluntary. Cardiac muscle exhibits autorhythmicity.
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