四足动物 left lung right lung left kidney right kidney left eye right eye left ear right ear front left leg front left paw front right leg front right paw rear left leg rear left paw rear right leg rear right paw 四足动物 left lung right lung left kidney right kidney left eye right eye left ear right ear front left leg front left paw front right leg front right paw rear left leg rear left paw rear right leg rear right paw 四足动物 left lung right lung left kidney right kidney left eye right eye left ear right ear front left leg front left hoof front right leg front right hoof rear left leg rear left hoof rear right leg rear right hoof 四足动物 left lung right lung left kidney right kidney left eye right eye left ear right ear front left leg front left hoof front right leg front right hoof rear left leg rear left hoof rear right leg rear right hoof 四足动物 left lung right lung left kidney right kidney left eye right eye left ear right ear left tusk right tusk front left leg front left hoof front right leg front right hoof rear left leg rear left hoof rear right leg rear right hoof 四足动物 left lung right lung left kidney right kidney left eye right eye left ear right ear left tusk right tusk front left leg front left hoof front right leg front right hoof rear left leg rear left hoof rear right leg rear right hoof 四足动物 left lung right lung left kidney right kidney left eye right eye left ear right ear front left leg front left hoof front right leg front right hoof rear left leg rear left hoof rear right leg rear right hoof 四足动物 left lung right lung left kidney right kidney left eye right eye left ear right ear front left leg front left leg first claw front left leg second claw front left leg third claw front left leg fourth claw front left leg fifth claw front right leg front right leg first claw front right leg second claw front right leg third claw front right leg fourth claw front right leg fifth claw rear left leg rear left leg first claw rear left leg second claw rear left leg third claw rear left leg fourth claw rear left leg fifth claw rear right leg rear right leg first claw rear right leg second claw rear right leg third claw rear right leg fourth claw rear right leg fifth claw 龟类 left lung right lung left kidney right kidney left eye right eye front left leg front right leg rear left leg rear right leg 猴类 left clavicle right clavicle left lung right lung left kidney right kidney left eye right eye left ear right ear left shoulder left arm left humerus left radius left hand left pinky left ring finger left middle finger left index finger left thumb right shoulder right arm right humerus right radius right hand right pinky right ring finger right middle finger right index finger right thumb left leg left femur left tibia left foot left little toe left fourth toe left middle toe left second toe left big toe right leg right femur right tibia right foot right little toe right fourth toe right middle toe right second toe right big toe