Расположите пропущенные предложения в таком порядке, чтобы получился связный текст
The AbioCor is an artificial heart made of titanium and plastic. 1 _______. It contains a hydraulic pump and a valve which lets the hydraulic fluid move from one side of the heart to the other. When the fluid moves to the right, blood is pumped to the lungs. 2 _______. The system has two batteries: one internal, inside the patient’s body, and one external. The internal battery lasts up to forty minutes. This is long enough for the patient to have a shower or to change the external battery. 3 _______. The external battery provides power using a wireless energy transfer system. 4 _______. This operates the controller and charges the internal battery.
The controller contains a microprocessor which decides the best heart rate for the patient at any time.
It is for patients with very serious heart problems who are waiting for a heart transplant.
When the fluid moves to the left, blood is pumped to the rest of the body.
The external battery lasts four to five hours.
A coil on the patient’s skin induces power in a coil inside the body.