Answer: Both systems help remove carbon dioxide from the body.
Explanation: did this a couple days ago
Insects is largest if you want marine life it would be crustaceans which are the second largest group of arthropods
Hippocampus
It is a small part of the brain located on the medial temporal love and forms important part of the limbic system, these are the regions that regulates emotions. This is also associated with memory, spatial navigation, consolidation of information. Damage to this area can cause memory loss, difficulty establishing memory . In Alzheimer's disease hippocampus is one of the first regions in the brain to be affected.
