The major function is to help the reptile move around and go around it's daily life. However, they don't have well developed muscles in their faces so they always have a fixed expression.
They have muscular and excretory systems. The muscular system allows them to move from place to place over solid surfaces. The excretory system lets them maintain a proper balance of water and salts.
.Digestive .Circulatory .Endoorine .Intequmentary .Muscular .Nervous .Reproductive .Respiratory .Skeletal .Urinary/Excretory
Reptiles and birds are among the major groups of vertebrates that have internal fertilization and external development. Also included are monotremes and marsupials.
Fish Fish are the class they are in. reptiles have scales are air breathing and typically but not always lay eggs. Snakes are reptiles. Fish are fish. Amphibians are one that breath underwater via gills during the adolescent stage and then the lungs morph to breath regular air. Kill snakeheads, they do not belong in the united states and pose a MAJOR threat to our ecosystem. The Fish and Game Dept. along with all other Wildlife Groups suggest killing them on site. Also just throwing them on shore does NOT always kill them. They are a hardy fish and will survive out of water for a very long time and even "walk" so to speak right back into the water. They are like the piranha. Vicious.
Large keel helps in attachment of large flight muscles pectoralis major .
It is what moves the body
producing motion , providing stabilization , providing heat :)
the heart
muscular
The major function of an operating system is to manage all resources of a system.
Skeletal System - Skeleton and nerves
the major function is food
CONNECTIVE and MUSCULAR
the major function is food
bone and muscles
The biceps, triceps, glutes, hamstring, and deltoids
Breathing