Dos to prevent sway back posture. Sit deep in your chair, with your back straight and your chin facing ahead.train quad muscles with the correct exercises, such as half squats. Strengthen your lower abdominal muscles with leg lifts and reverse crunches.
Answer:
Galena
Explanation:
Galena usually occurs in cubic crystals. If you hit a specimen of galena with a hammer it will shatter into small perfect cubic crystals. It has a metallic luster and a black to dark gray color and streak. Galena has a hardness of about 2.5 on the Mohs hardness scale which is about as hard as your fingernail.
the answer is true patients experiencing cardiac compromise may experience chest discomfort
Summary. While the left side of the heart becomes too weak to squeeze regular volumes of blood out of the heart when it pumps, this is known as systolic heart failure. Diastolic heart failure develops when the left side of the heart becomes too rigid to relax and fill with blood regularly.
