what is the color of the fifth animal?
White or whitish-grey in colour
Beluga whale
white or whitish-grey in colou
what is the purpose of the epiglottis in the respiratory system of humans It prevents food from entering the windpipe and the lungs what are its variations? A high-rising epiglottis is a normal anatomical variation, visible during an examination of the mouth. It does not cause any serious problem apart from maybe a mild sensation of a foreign body in the throat. does it play any role in speaking? In some languages, the epiglottis is used to produce epiglottal consonant speech sounds, though this sound-type is rather rare. how does it affect swallowing? During swallowing, the epiglottis bends backwards, folding over the entrance to the trachea, and preventing food from going into it. what is the structure of this organ which is covered during swallowing? It is shaped like a leaf of purslane and has a free upper part that rests behind the tongue, and a lower stalk can it be replaced? UNANSWERABLE which are the disorders related to it? Inflammation of the epiglottis is known as epiglottitis. Epiglottitis is mainly caused by "Haemophilus influenzae". A person with epiglottitis may have a fever, sore throat, difficulty swallowing, and difficulty breathing. is it found in vertebrates only? The epiglottis is present in mammals, including land mammals and cetaceans, also as a cartilaginous structure. Like in humans, it functions to prevent entry of food into the trachea during swallowing. what is the second types of mammals mentioned above? Cetaceans are aquatic mammals constituting the infraorder Cetacea. who are some of the animals under this category? Odontoceti, the toothed whales, dolphins,  porpoise, beluga whale, narwhal how does the third animal interact with humans? Dolphins are highly social animals. Dolphins communicate using a variety of clicks, whistle-like sounds and other vocalizations. Dolphins also use nonverbal communication by means of touch and posturing.
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Beluga whale [SEP] Colour
The adult beluga is rarely mistaken for any other species, because it is completely white or whitish-grey in colour. Calves are usually born grey, and by the time they are a month old, have turned dark grey or blue grey. They then start to progressively lose their pigmentation until they attain their distinctive white colouration, at the age of seven years in females and nine in males. The white colouration of the skin is an adaptation to life in the Arctic that allows belugas to camouflage themselves in the polar ice caps as protection against their main predators, polar bears and killer whales.