Answer:
Explanation:
Digestive system: Helps break down food so we can digest it better
Endocrine system- The endocrine system is made up of glands that make hormones
Excretory system- The Excretory system is responsible for the elimination of wastes produced by homeostasis
Digestive and excretory system work together, The digestive and excretory systems together function to process all nutrients that enter the bloodstream except the oxygen that is brought in by the respiratory system. Through
AIDS which results from HIV infections, results from the inability to fight off infections not the viruses direct attack on the immune system. This means other diseases as small as an Upper Respiratory Tract infection (a cold) or the flu, can hit much harder and are more lethal.
The third option I’m sorry if I’m wrong
