Answer:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.
What are you talking about?
D. All of the above
These would all harm the fetus.
Answer:
Mathematical
Explanation:
Most times when analysis of a system is done by engineers with the aim of optimizing and controlling the system, mathematical model is used. When engineers aim to analyze a system, they build a descriptive model of the intended system for analysis as a hypothesis of the working principle of the system or they use it to estimate how an emergency event could impact the system.
Sorry I don’t understand:/
