The significance of the septum of the human heart is most closely related to a. keeping blue blood and red blood separate b. keeping oxygenated and deoxygenated blood separate c. providing enough muscle power to circulate blood d. sending blood to the four limbs

answer(b) keep oxygenated and deoxygenated blood separate;

mayo clinic in rochester, minnesota;

myth: mosquito bites transmit hiv. & shaking hands often transmits hiv. & oral sex never transmits hiv.

fact: breastfeeding can transmit hiv. & unprotected sex transmits hiv.