Cardiac Cycle Graph

Question 1

Label the cardiac cycle graph

Answer 1

https://www.bing.com/images/search?view=detailV2&ccid=ox%2bniNnf&id=8B306222527EB029BA2CE99C58A7B6AC26F61ADB&thid=OIP.ox-niNnf9uT7KK9s8OIEhwHaFj&mediaurl=https%3a%2f%2fd1e4pidl3fu268.cloudfront.net%2fc44905fa-b1c9-432f-9191-c8cc77ac7372%2fcardiaccycle3.crop_720x540_120%2c0.preview.png&cdnurl=https%3a%2f%2fth.bing.com%2fth%2fid%2fR.a31fa788d9dff6e4fb28af6cf0e20487%3frik%3d2xr2Jqy2p1ic6Q%26pid%3dImgRaw%26r%3d0&exph=540&expw=720&q=cardiac+cycle+graph+a+level+biology&simid=608006673455845900&FORM=IRPRST&ck=9C2D15B2E563B7A37E995529102179BF&selectedIndex=1&ajaxhist=0&ajaxserp=0

Question 2

What causes 1st heartbeat sound?

Answer 2

AV valve closing

Question 3

What causes 2nd heartbeat sound?

Answer 3

SL valve closing

Question 4

What can the cardiac cycle diagram be used to calculate?

Answer 4

Heart rate in beats per minute

Question 5

What is cardiac output?

Answer 5

Volume of blood in cm3 pumped by heart per minute

Question 6

How many full cardiac cycles is one heartbeat?

Answer 6

1

Question 7

How do you calculate heart rate in beats per minute from a cardiac cycle diagram?

Answer 7

60 divided by time taken for full cardiac cycle