Why is the heart anchored to the diaphragm?

Antibiotics are given when an std is caused by a virus. true or false

Which of these are fast-acting compounds that attack ocygen-dependent tissues known to be particularly sensitive to these compounds? a. nerveb. vesicantsc. cyanide compoundsd. pulmonary

Which activity causes the greatest risk of driving fatalitiesa. driving at nightb. driving while distractedc. driving with a passengerd. driving on a clear day