Define the terms pathogens and infection.​

An infection occurs when a microorganism enters a person's body and causes harm. The microorganism uses that person's body to sustain itself, reproduce, and colonize. These infectious microscopic organisms are known as pathogens, and they can multiply quickly.Copied :)

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The fetus at this stage is curled up, almost doubled over, so remember to consider this as you draw the fetus the correct length