There is loads of choices so I could not really tell what the best one is. Although I wouldn't know because I'm a guy so I cant really tell what the best one is. I did look that question up and loads showed up on the right of my screen.
Sorry
Answer:
D. Minerals
Explanation:
regulates the activity of the heart,
brain, and nerves and is found in body tissue
Answer:
A. Vena cava
Explanation:
The aorta can't be the answer because it is the largest artery in the human body and it carries oxygenated blood. The pulmonary artery carries deoxygenated blood into the lungs for oxygenation. The pulmonary veins transfer oxygenated blood from the lungs to the heart. And lastly, the vena cava is the right answer and it returns deoxygenated blood back into the heart.
Jordan works in a hematology lab and received a blood report showing 22,000 white blood cells per cubic millimeter of blood for a patient. he determines this patient has leukocytosis.