They both are constituents of DNA.
Adenine, cytosine, guanine and thymine are the glue that holds together the two sugar-phosphate strands which form the back-bone of DNA. The order in which these bases occur is what stores the information in DNA.
The shallow shoulder socket makes the joint unstable, which makes the bone easy to dislocate.
It will be 1 and 2.
This is not biology. This is Science.
Answer:
The ventricles of the heart have thicker muscular walls than the atria. This is because blood is pumped out of the heart at greater pressure from these chambers compared to the atria. ... This is due to the higher forces needed to pump blood through the systemic circuit (around the body) compared to the pulmonary circuit.
Explanation:
The Human Heart — PT Direct