The warm-up period before a workout allows the persons muscles to stretch out, and work up to the more intense workout, without hurting, tearing, or injuring. It increases heart rate, which loosens up joints, and increases blood flow to muscles, all which prevents the person from getting hurt.
Answer:
I would say C, but if not then definitely D. Because energy is transferred through the environment or could be said as flows.
Answer: Before every exercise, you should always do a warm up. A warm up is when you start at a low level of intensity before an exercise. Doing that helps minimize injury and it follows the principle of progression. After an exercise, you should always do a cool down. A cool down is when you go from a high intensity exercise, to a low intensity exercise. Cool down also prevent injury and stabilize your muscle. In conclusion, cool downs and warm ups are very important because it helps prevent injuries.
Hope this helps!
Answer:
A. Epicardium
B. Myocardium
C. Endocardium
D. Interventricular septum
E. Superior vena cava
F. Inferior vena cava
G. Right atrium
H. Tricuspid valve
I. Trabeculae carneae
J. Pulmonary semilunar valve
K. Pulmonary trunk
L. Left pulmonary veins
M. Left atrium
N. Mitral (bicuspid) valve
O. Left ventricle
P. Aortic semilunar valve
Explanation:
