Enzymes increase the rate of a given reaction by lowering Activation E<span>nergy. Hope that helps.</span>
The earliest archaeological evidence of humans in Australia is from Lake Mungo , dating to 40,000 years ago.
Scientist rely on <em>Biology </em>concepts when researching crop production and medicine.
Coronary
arteries supply blood to the heart muscle, The left one, arises from the aorta and
feeds blood to the left side of the heart and the right one supplies blood to
the right ventricle, the right atrium, and the SA (sinoatrial) and AV
(atrioventricular) nodes, which regulate the heart rhythm.
Blockage
in this vessel result in
<span>reducing
the flow of oxygen and nutrients to the heart muscle and that can lead to a
heart attack. Atherosclerosis and arteriosclerosis are the most common causes
of heart disease.</span>
