(continued) the elasticity of the artery walls causes them to recoil behind the blood helping to ....... ... ... .....
Back
Card 7
Front
Cont: the blood moves along the artery as each section in series stretches and recoils in this way.by the time the blood reaches the smaller arteries and capillaries there is a steady flow of blood. in t' capillaries this allowsxchange btween blood+?
Back
Card 8
Front
(cont)What does the network of capillaries that lies close to every cell ensure?
Back
Card 9
Front
The heart has a .... direct effect on the flow of blood through the veins. in veins, blood flow is assisted by the .... of skeletal muscles during movement of limbs and breathing.
Back
Card 10
Front
Low pressure in the ... (chest cavity) when breathing in also helps draw blood back into the heart from the veins.
Back
Card 11
Front
How is backflow prevented from occuring?
Back
Card 12
Front
How is the heart supplied with blood?
Back
Card 13
Front
How the heart works: the chambers of the heart alternatively contract and relax in a rhythmic cycle. what is contraction and relaxation known as?
Back
Card 14
Front
Define: cardiac cycle
Back
Card 15
Front
During systole, cardiac muscle .... and the heart pumps blood out through the .... and ..... ....
