The simpliest answer is....the respiratory system gets oxygen and removes carbon dioxide.
---breathing describes the process of inhaling and exhaling air.the exchange of gases( oxygen and carbon dioxide)between living cells and the environment is a process known as respiration...
hope it helps my answer...
Answer:
Animals use specific strategies to attract males/females in their species because for the mating process to happen, the animals must be attracted to one another so that they can continue with the certain circle of life.
Explanation:
Rh factor is an antigen found on the surface of red blood cells. Red blood cells with the antigen are said to be Rh positive, while those without are said to be Rh negative. Blood used in transfusions must match the donor and recipient's Rh and ABO blood type as Rh negative patients will develop anemia when given Rh positive blood. <span />
I believe the correct answer is bilateral cingulotomy
If the tank is a small one and filled with freshwater, an activity performed by a student that is investigating an abiotic factor using the setup would be to record the temperature of the water.