Fill in the table “Internal structure of reptiles”

System Structure Differences from amphibians
Digestive Mouth, pharynx, stomach, intestines Poisonous snakes have poisonous teeth and glands
Respiratory Nostrils, larynx, trachea, bronchi, lungs The airways are lengthened, the lungs are more complex, they are folded (in amphibians they are hollow)
Circulatory Large and small circles of blood circulation, three-chambered heart A heart with an incomplete septum. Crocodiles have four cameras
Nervous Brain and spinal cord, nerves The parts of the brain are larger, the forebrain and cerebellum are enlarged, the sense of touch is developed
Excretory Excretory organ – kidney, cloaca The end product of metabolism is uric acid, not liquid urine
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.