Answer:pre-formed structures and chemicals, and by infection-induced responses of the immune system.
Explanation: brainliest?
Answer:
O to kill bacteria that cause disease
Explanation:
penicillins are a group of antibiotics used to treat a number of bacterial infections.
hope this helps!
Answer:
platelets
Explanation:
platelets clot to plug the holes in the blood vessels and stop the bleeding . if the blood doesn't clot it means there is a low amount of platelets
Light waves or gravitational waves sorry if not correct
