There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the body's exterior.
...carbon dioxide levels will Increase
.... temperatures will Increase
Internal fertilization protects<span> the </span>fertilized egg<span> or embryo from predation and harsh environments</span>
Answer:
it loses its tail and develops its legs to be stronger
Explanation:
