https://padlet.com/tlcarlson1/o4rc7hf2e6e2 1st Hour en-us 2019-04-10 12:19:03 UTC 2019-04-10 12:47:22 UTC hello@padlet.com https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350315700 Table 2:
The heart works continuously and lies near the anterior chest wall. It is made of three distinct layers: epicardium, myocardium, and endocardium. Blood cycles through 4 different chambers and 4 different valves which starts and ends in the hard.]]> 2019-04-10 12:29:03 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350315700 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350315769 A cardiac cycle is the period between the start of one heartbeat and the start of the next. This cycle can be divided into two phases: Systole, blood is squeezed into the an adjacent chamber; Diastole is relaxation.]]> 2019-04-10 12:29:18 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350315769 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350316143 The heart works continuously so that cardiac muscle cells require reliable supplies of oxygen and nutrients. It contains various muscles and tissues that helps the heart expand and spread blood throughout itself and the body.]]> 2019-04-10 12:30:09 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350316143 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350316181 Heart beat is controlled by contractile cells and are regulated by the two types: nodal cells and conducting cells]]> 2019-04-10 12:30:15 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350316181 tlcarlson1 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350317188 The force of myocardial contractions is altered thrugh the release of NE,E,ACh. Various drugs affect contractility of the heart. ]]> 2019-04-10 12:32:39 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350317188 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350321774 The septum “divides” the heart in half, then is also divided by inferior and superior.]]> 2019-04-10 12:43:07 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350321774 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350321791 The “lub” and “dub” sounds is a result of the valves opening and closing. - Andrew]]> 2019-04-10 12:43:08 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350321791 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322002 The heart is 250-350 grams and is hollow.]]> 2019-04-10 12:43:39 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322002 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322097 The heart is made up of 3 layers]]> 2019-04-10 12:43:55 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322097 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322162 Valves act as bouncers; they prevent the back flow or regurgitation of blood.]]> 2019-04-10 12:44:03 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322162 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322192 Blood has different pressures in different parts of the body.]]> 2019-04-10 12:44:07 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322192 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322200 Ravin 
Your heart is divided latterly  ]]> 2019-04-10 12:44:07 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322200 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322411 Arteries carry blood away from the heart, veins bring blood back to the heart.]]> 2019-04-10 12:44:37 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322411 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322434 Normal systemic pressure is 120]]> 2019-04-10 12:44:40 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322434 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322436 Each chamber has a corresponding valve]]> 2019-04-10 12:44:40 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322436 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322520 The heart is roughly the size of 2 fists together.]]> 2019-04-10 12:44:50 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322520 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322521 The heart beats about 100,000 times a year]]> 2019-04-10 12:44:50 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322521 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322752 arteries carry blood away from the heart while veins carry it towards the heart]]> 2019-04-10 12:45:19 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322752 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322778 The ventricles are big strong muscles that pump blood out to the body. ]]> 2019-04-10 12:45:22 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350322778 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350323049  Blood pressure is the amount of strain on your arteries. ]]> 2019-04-10 12:46:06 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350323049 https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350323576 Blood pressure is systolic pressure over diastolic pressure]]> 2019-04-10 12:47:22 UTC https://padlet.com/tlcarlson1/o4rc7hf2e6e2/wish/350323576