Answer:
The cilia is one of the things that act defensively in the respiratory system.
Explanation:
It propels a mucus-like liquid that covers the airway which traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.
Plasma contains albumins that need we need to maintain osmotic balance
Answer:
e. The animal was endothermic and had a high metabolic rate
Temperature
, humidity,
wind