The answer is under the question hopefully that is helps you :)
Lysosomes are organelles that contain digestive enzymes, (they digest worn out food, bacteria, organelles, among others).
A more simpler way:
Their function is to remove the waist, a very similar thing is our intestines!
HOPE THIS HELPED!
Through mutations in the DNA of bacteria, they can adapt. Only the mutated bacteria would live and keep producing bacteria with the same mutation. Eventually, they would be immune to antibiotics.
A because if you are heathly it helps with your cardiovascular system.