Answer:
Oxygen enters the body in the mouth and nose, passes through the larynx and the trachea. The trachea splits into two bronchial tubes, which lead to smaller tubes that lead to 600 million alveoli, which are small sacs surrounded by capillaries. The capillaries take oxygen into the arteries, and the oxygen-rich blood is then pumped into every cell of your body. Once the oxygen has been absorbed, carbon dioxide and water are eliminated through the lungs.
Explanation:
good luck!
Answer:
Scientists use scientific names for organisms so that it is universally understood what organism they are referring to. What is the advantage of using scientific names instead of common name? This naming is essential for the classification and organization of organisms which makes the study of an organism easier and understandable.
It would be A and D because the strands are anti parallel and on the sugar
Answer:
Vitamin B12 can be made from genetically modified bacteria
