[Answered] An average cardiac cycle takes ____ seconds. a. 2 b. 0.8 c. 0.2 d. ...

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james9437

Hero Member
Posts: 568

on: Feb 27, 2019

An average cardiac cycle takes ____ seconds.
a. 2

b. 0.8
c. 0.2
d. 8

Question 2

The presence of ____ keeps blood from backflowing in the heart.
a. atria

b. ventricles
c. valves

d. septa

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Marked as best answer by a Subject Expert

kishoreddi

Sr. Member
Posts: 329

Reply #1 on: Feb 27, 2019

Answer to Question 1

b

Answer to Question 2

c

james9437

Member
Posts: 568

Reply 2 on: Feb 27, 2019

TYSM

amandanbreshears

Member
Posts: 320

Reply 3 on: Yesterday

Wow, this really help

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