When will bacteria cells move into a part of the human body and cause an infection?

Direct contact occurs when an individual comes into contact with the reservoir via touching infected bodily fluid; sharing beverages containing infectious bacteria; being bitten by an insect or other animal that is carrying the bacteria; or inhaling bacterial particles, often emitted by sneezing or coughing

Explanation:

Direct contact occurs when an individual comes into contact with the reservoir via touching infected bodily fluid

When the Human body is exposed to air from a deep cut and more, Bacteria finds it's way in. After a while it can cause an infection, the infection can cause, A fever, swelling etc.

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answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

satellites are frequently used to make observations of the orbit on earth