만나보세요
새로운 프레젠테이션 도우미가 기다리고 있어요.
뎌욱 빠르게 컨텐츠를 다듬고, 보강하고, 편집하고, 원하는 이미지를 찾고, 시각자료를 편집하세요.
트렌드 검색
Eyes, Ears and Nose
-3 eyelids
-special film on eyes when swimming
-very good sense of smell
-poor vision so they rely on sound and smell
Teeth
20 teeth and 16 molars, mainly used for grinding bark or other food for digesting.
The Brain
The brain of an American beaver is about 45 g in weight.
Fur
They have 2 layers of fur. Guard hairs measure 2.5 inches long and underfur is about 3/4 inches long. They trap air in between the layers of fur while swimming under water and helps protect the beaver from the cold water.
Heart
Beaver hearts are similar to those of other mammals. However, variations in details of anatomy exist, especially for the right atrium which is divided into 2 appendages.
Bones
Lungs and liver
The beaver has 302 bones.
Beaver lungs and liver have the adapted ability to store more oxygen than a regular mammal.
Feet
Beavers have webbed hind feet
and the second to on each foot has a split nail for grooming