He helped Cleopatra take back Egypt
the answers I put is wrong
Heart disease
Heart disease is the leading cause of death in the United States, and forces many to apply for disability benefits every year.
Answer:Valves stop blood flowing backwards
Explanation: Valve are flags of tissue that control the direction of the blood in our heart.,it prevent the backwards flow of blood. valves regulate blood from flowing back into the atria.The right and left atrio-ventricular valves prevent blood from flowing backwards into atria. When the ventricle is full,the valve prevent backwards flow of blood.
I dont know what <span> ketogenic or glucogenic is.</span>
