Arduino Pro Micro and multiple MPU6050s

I looked into the project even more on the documentation and I'm confused how I could switch to the 2nd mpu in this code.

1. #include<Wire.h>
2. const int MPU_addr=0x68; // I2C address of the MPU-6050
 //Here I would add const int MPU_addr2=0x69 as its 2nd mpu 
//3rd mpu would be 0x70?
3. int16_t AcX,AcY,AcZ,Tmp,GyX,GyY,GyZ;
//Multiple lines of different variables for each mpu??? ^^^^^^^^
4. void setup(){

5. Wire.begin();
6. Wire.beginTransmission(MPU_addr);
//(Would I add all mpus begin transmission now?)
7. Wire.write(0x6B); // PWR_MGMT_1 register
//(What do I add for additional mpus?)
8. Wire.write(0); // set to zero (wakes up the MPU-6050)   (Does this set all of them 0?)
9. Wire.endTransmission(true);
10. Serial.begin(9600);
11. }

12. void loop(){

13. Wire.beginTransmission(MPU_addr);
14. Wire.write(0x3B); // starting with register 0x3B (ACCEL_XOUT_H)
15. Wire.endTransmission(false);
16. Wire.requestFrom(MPU_addr,14,true); // request a total of 14 registers
17. AcX=Wire.read()<<8|Wire.read(); // 0x3B (ACCEL_XOUT_H) & 0x3C (ACCEL_XOUT_L)
//Confused here from lines 13-17 on how to add the 2nd mpu