The response that is most accurate is that; with age, your arteries lose their elasticity and are replaced with collagen, which makes your arteries stiffer. Systolic hypertension or pressure is an elevated systolic blood pressure. If the systolic blood pressure is elevated (above 140) with a normal (<90) diastolic blood pressure, it is called the isolated systolic hypertension.
Dead zones are low-oxygen<span>, or hypoxic, areas in the world's oceans and lakes
(answer is dead zones)</span>
im not to sure, but i think its 21.95
hope this helps! :)
A. Hormones
secreted directly into the blood
You should take a picture it would be easier to understand so the community could help more