Injected cocaine can be detected in the urine even 20 hours or more from use. The cocaine metabolites (benzoylecgonine, ecgonine methyl ester and coca ethylene) are detected until 60 hours from last single use or 22 days after continual use.
1 Hip muscles. 2  Lunges work all of the gluteal muscles in the hips, primarily the gluteus maximus that is used to extend your hips. 3  Taking large steps during a lunge can further engage this muscle. 4  The gluteus minimus and gluteus medius are also used to stabilize your body throughout the lunge.
The muscular system is interesting. In the human body there are three types of muscle tissue: Skeletal muscle, smooth muscle, and cardiac muscle. The muscular system helps push air come into and leave the respiratory system through the contraction and relaxation of the diaphragm, which is a muscle. The respiratory system has the lungs that deliver air to the muscles.