Examlex
Although some exceptions exist,the majority of mollusks are protected within a shell that is secreted by the animal's ________.
Heartbeat
The rhythmic contraction and expansion of the heart, especially as felt through the walls of arteries.
Hypertension
A condition characterized by consistently high blood pressure.
Blood Pressure
The force that circulating blood exerts on the walls of blood vessels, critical for determining circulatory health.
Heart Attack
A medical emergency caused by the interruption of blood flow to the heart muscle, potentially leading to tissue damage or death.
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