Answer:
The scientific method is a process for experimentation that is used to explore observations and answer questions.
Answer:
Explanation:
Blood group AB has both A and B antigens, but no antibodies. Blood group B has B antigens with anti-A antibodies in the plasma. Blood group A has A antigens on the red blood cells with anti-B antibodies in the plasma
The respiratory system that allows for Gas Exchange happens between Alveolar Spaces and Capillaries