【单选题】The main function of the Starling mechanism under physiological conditions is
A.
Increase cardiac output
B.
Make the heart index drop
C.
Adjust the balance between stroke volume and returning blood volume
D.
Increase ejection fraction
【单选题】Under physiological conditions, which of the following has the greatest impact on systolic blood pressure?
B.
Changes in cardiac output
C.
Changes in peripheral resistance
D.
Changes in circulating blood volume
【判断题】物理网的概念已经是一个“中国制造”的概念
【单选题】Under physiological conditions, the change range of body temperature is generally about ( )℃.