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A mated pair of cecropia moths. On the right is the male, with the larger, more feathery antennae used to locate the female via pheromones. Like other members of the giant silk moth family, the adult cecropia moth lacks functional mouth parts and a digestive system. Due to this, they survive approximately two weeks.
The largest known complete specimen of the colossal squid was a mature female captured in the Ross Sea in February 2007. Its weight was initially estimated at 450 kg (990 lb), its mantle length at 4 m (13 ft), and its total length at 8–10 m (26–33 ft). [ 44 ]
In human anatomy, the mouth is the first portion of the alimentary canal that receives food and produces saliva. [2] The oral mucosa is the mucous membrane epithelium lining the inside of the mouth. In addition to its primary role as the beginning of the digestive system, the mouth also plays a significant role in communication.
The largest artery is the aorta [24] and the largest vein is the inferior vena cava. [25] The largest internal organ (by mass) is the liver, with an average of 1.6 kilograms (3.5 pounds). [26] The largest external organ, which is also the largest organ in general, is the skin. [27] The longest muscle is the sartorius muscle in the thigh. [28]
Deep Blue is a female great white shark that is estimated to be 6.1 m (20 ft) long or larger and is now sixty years old. She is believed to be one of the largest ever recorded in history. The shark was first spotted in Mexico by researcher Mauricio Hoyos Padilla. Deep Blue was featured on the Discovery Channel's Shark Week.
Typically the mandibles are the largest and most robust mouthparts of a chewing insect, and it uses them to masticate (cut, tear, crush, chew) food items. Two sets of muscles move the mandibles in the coronal plane of the mouth: abductor muscles move insects' mandibles apart ; adductor muscles bring them together . They do this mainly in ...
A fisherman in northern Cambodia hooked what researchers say is the world’s largest freshwater fish — a giant stingray that scientists know relatively little
Only one pregnant female is known to have been caught; she was carrying six unborn young. [45] Mating is thought to occur in early summer, and birthing in late summer, following the female's movement into shallow waters. The age of maturity is thought to be between the ages of six and 13 and at a length of 4.6–6 m (15–20 ft).