Question

0.1 pts Question 5 (Ch. 15.5; Regulation of Cardiovascular Function) As part of the feedback loop regulating blood pressure, when blood pressure decreases O the force of contraction of the cardiac contractile cells will increase. O heart rate will decrease. less norepinephrine will be released. cardiac output will decrease. O peripheral resistance will decrease.

Answer 1

As decreasing blood pressure cardiac output decreases is the correct one but also peripheral resiatance decreases by which b.p decreases.these both are the factor responsible for lowering blood pressure.

Ans.2.lymphatic vessels contains valves,it is specific feature of lymphatic vessals,but it is absent in lymphatic Cappilaries.