Answer: Nick's father was tested for his blood type to determine his blood group and even to see if he is Rh-positive or Rh-negative.
Explanation: Unless he is a universal donor (someone with O+ blood), Nick's father won't be able to give his blood to anyone without knowing his blood type first. Giving someone the wrong blood type can be harmful to the receiver's immune system.
Answer:
The small intestines are well adapted for absorbing nutrients during digestion by: being very long, having villi and microvilli that increase surface area, using muscular contractions to move and mix food, and receiving and housing digestive enzymes and bile that help the breakdown of food.
Explanation:
Beta-adrenergic blockers will reduce the heart's demand for oxygen
Answer:
Regional imbalances or disparities means wide differences in per capita income, literacy. rates, health and education services, levels of industrialization, etc. between different regions. Regions may be either States or regions within a State.
