Blood flows into the heart through the upper vena cava (1) to the
(2) Right at the then into the (3) Rich
heads for the lungs through the (4)
Once the blood
is circulated through the lungs (5) it returns to the heart through pulmonary veins
(6), into the (7)
through the (8)
and then out through the (9)
to all parts of the body.

What behavior of an expectant mother is unhealthy for the fetus

Which of the following identifies a main culprit for america’s increasing weight gain

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare