I would say the the circulatory system because blood flows throught your body
It is produced mostly by your hips and legs
HIV causes AIDS and interferes with the body's ability to fight infections.
The virus can be transmitted through contact with infected blood, semen, or vaginal fluids.
Answer:
It's visual
Explanation:
That's the short answer it's because it visual. A pedigree has squares, circles, half colored squares and half colored circles and lines drawn to show the offspring or marriage. To me, it's like looking at a family tree except it's genetics! That's one way on how it simplifies the analysis of inheritance. Just a note to remind you about pedigrees. Squares are males and circles are female. If the box or circle is half colored with black, they are a carrier for a genetic disease (it depends on what their family has had like diabetes or sickle cell disease).
