The correct answer would be D. organs and muscles require more blood under stress
Answer: C,C,B,D,A,B,A,B,T,T,T,T,T,T,F
Explanation:
Answer:
Make simple observations. The first step is to notice what is going right.
Build up with encouragement, not praise. There is a big difference between praise and encouragement.
Discipline to teach, not to punish.
(I searched it up)
Answer:
The heart is a cone-shaped muscular organ located within the THORAX
. Its apex rests on the DIAPHRAGM , and its base is at the level
of the SECOND rib. The coronary artenes that nourish the
myocardium arise from the AORTA. The coronary sinus empties
into the RIGHT ATRIUM . Relative to the roles of the heart chambers, the
ATRIA are receiving chambers, whereas the VENTRICLES are
discharging chambers. The membrane that lines the heart and
also forms the valve ſaps is called the ENDOCARDIUM , The outermost
layer of the heart is called the EPICARDIUM . The fluid that fills the
pericardial sac acts to decrease FRICTION during heart activity.
The heart muscle, or myocardium, is composed of a special-
ized type of muscle tissue called CARDIAC MUSCLE
Explanation:
Even though coal is one of the best ways to produce energy, it is also one of the most harmful. Breathing coal fumes can cause cancer and sometimes lead to certain death.
