Answer: yes, many different kinds
Explanation: bacteria are everywhere and so will be found in aquaria. Aquarium health is dependent on bacteria. Fish excrete ammonia which is toxic. Bacteria such as Nitrosomonas and Nitrococcus convert ammonia to nitrite, and Nitrobacter converts nitrite to nitrate which is relatively harmless. Bacteria such as Pseudomonas stutzeri and Bacillus subtilis remove nitrate and organic waste. There are also bacteria in fish intestines, and other bacteria that can cause fish diseases or create undesirable conditions such as Pseudomonas fluorescens, Vibrio, Flexibacter or Aeromonas and anaerobes that reduce sulphates to hydrogen sulphide.
Answer: B. They are a first line of defense that can begin killing pathogens immediately.
Explanation:
B-lymphocytes are not the first line of defense. On the contrary, innate immune cells such as basophils, dendritic cells, eosinophils, Langerhans cells, mast cells are the body's first line of defence.
Answer: technology
Explanation:
Because of how advanced our technology has come it has improved medicine
isn't coming income so that
Your body releases sweat to help regulate its body temperature to prevent you from overheating
Sweating also helps your body to eliminate toxins, which supports proper immune function and helps prevent diseases related to toxic overload
Sweating may help kill viruses and bacteria that cannot survive in temperatures above 98.6 degrees Fahrenheit, as well as on the surface of your skin