That is called uric acid and it helps them maintain internal homeostasis in hot climates by retaining water
Answer:
The first line of defence (or outside defence system) includes physical and chemical barriers that are always ready and prepared to defend the body from infection. These include your skin, tears, mucus, cilia, stomach acid, urine flow, 'friendly' bacteria and white blood cells called neutrophils.
Explanation: brainlieast...?
Hydrosphere- oceans, lakes, glaciers, rivers, streams, and groundwater
Biosphere- all of earths living things
Atmosphere- air surrounding earth
Geosphere- earths interior, rocks, minerals, and landforms
