Heart Rate Nerve cells monitor blood for changes. If there's too much Carbon Dioxide (CO) and not enough
Oxygen (O), the oxygen sensing nerve cells send a signal to the brain. The brain sends a signal
to the pacemaker cells in the heart, which makes the heart beats faster, pushing more blood

Find the stimulus and control center effector and receptor
No link or it will be reported

Awoman whose sister tested positive for a specific mutation in the brca1 gene, which increases the risk for breast and ovarian cancer, is found not to have that mutation but does have a mutation of unknown significance near the known mutation site. how should this woman be counseled? select one: a. she should be informed that her risk for breast cancer is greater than the general population but not as great as her sister’s risk. b. she should be informed that because she does not have the mutation, her risk for breast cancer is not greater than that of the general population. c. she should be informed of her gene mutation status and be presented with all the available prophylaxis options and reconstruction options. d. she should be informed that she does not have the specific mutation but that because another mutation is present she should be vigilant about screening