heart 1.2.2 Flashcards
1
Q
In the heart the first phase is the systolic phase what happens
A
the heart contracts in 2 waves
blood is pumped from atriums to ventricles
then ventricles to lungs or rest of body
2
Q
what happen in the second phase (diastole) of the hearts pumping of blood
A
the heart relaxes and refills with blood
3
Q
what hormone is released to change your body’s heart rate
A
adrenaline
4
Q
what does adrenaline do
A
make heart beat faster
causes stored glucose to be released from liver
blood is diverted away from organs and towards muscles
