Answer:A
Explanation: Teacher gave me the answer
A and D have a good day bye bye bye
Answer:
Transition Metals
Explanation:
The majority of elements in the periodic table are classified as metals. The transition metals lie in the center of the table, spanning groups three through 12.
Answer: Option D
After load is the force the ventricles must overcome to eject blood into their respective arteries.
Explanation:
Afterload is the pressure or force the heart must overcome to release blood to the arteries during systole. It is proportional to the average arterial pressure. After load is also proportional to the mean systolic blood pressure measured in millimeters of mercury. It I'd a determinat of cardiac output and cardiac output is the product of stroke volume and heart rate.