Acute responses to exercise

ML of blood pumped out the left ventricle per beat

(a)  

Beats per minute

(a)  

The volume of blood the heart pumps through the body in a minute

(a)  

Air breathed in and out per minute

(a)  

Amount of inspired and expired air per breath

(a)  

Breaths per minute

(a)  

The movement of molecules (O2) from an area of high concentration to an area of low concentration.

(a)  

Pressure of blood against artery walls

(a)  

Flow of blood back to right atrium – assisted by venoconstriction

(a)  

Vasocontriction of arterioles supplying inactive muscles reduces blood flow here and vasodilation of arterioles supplying muscles increases blood flow here

(a)