When u inhale, the diagram (a muscle) is pulled down so that the lungs can inflate with oxygen.
The opposite happens when the body exhales.
The diaphragm aids in respiration.
A <u>warmup</u> is a group of exercises done to prepare for a specific workout or competition. <u>Regular stretching</u> is done to increase the range of motion.
Stretching is an important part of being energetic. Its advantages beautify muscle characteristics, allowing you to move with more ease and luxury all through your everyday and athletic activities. Ordinary stretching reduces your chance of injury, enhances flexibility, and increases your variety of motion.
increasing range of motion may be achieved via mobility paintings. Mobility physical games pass beyond easy stretching to growth the safe levels your frame can move.
Variety of motion is essential for proper mobility of the entire body. in case your variety of motion is inhibited, you may enjoy ache or discomfort, or no longer be able to use your body parts such as you used to. it could even reason repayment patterns which can lead to greater dysfunction.
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“The Cardiovascular System: Cardiac Cycle
1.
Valves open in response to _________________ on their two sides.
Blood pressure
2.
List the chambers/ vessels that the four valves connect:
______(1)______ Pulmonary semilunar ______(2)_____
______(3)______ Aortic semilunar ______(4)_____
______(5)______ Mitral ______(6)_____
______(7)______ Tricuspid ______(8)_____
1. R. ventricle
2. Pulmonary artery
3. L. ventricle
4. Aorta
5. L. atrium
6. Pulmonary vein
7. R. atrium
8. Inferior/superior vena cava
3.
a. Ventricular filling occurs during______ ventricular_________.
b. Blood flows through the _______ or __________ valves into the ventricles.
1. Mid-late
2. Diastole
3. Mitral
4. Tricuspid
4.
During Ventricular systole, what closes the AV valves?
Intraventricular pressure rising and causing ventricular contractions.
5.
During ventricular systole, what opens the semilunar valves?
Ventricles contract, raising pressure, bblood pressure then forces the semilunar valves open.
6.
During Isovolumetric relaxation, what closes the semilunar valves?
When blood pressure in the artery exceeds the blood pressure in the ventricle.
7.
During Isovolumetric relaxation, what opens the AV valves?
When blood pressure in the ventricle exceeds the blood pressure in the arteries.
8.
Why is hypertension hard on the heart?
Beacuse overtime high blood pressure causes heart muscles to thicken, which means more work to pump blood through vessels. It can cause heart disease because of heart constantly overworking.
9.
Looking at the ventricular volume graph, the stroke volume is approximately how many ml?
70ml
10.
During the four phases listed below, state whether the AV and semilunar valves are opened or closed:
1. Ventricular Filling
2. Isovolumetric
3. Ventricular Ejection
4. Isovolumetric
1. AV: Opened, Semilunar: Closed
2. AV: Closed, Semilunar: Closed
3. AV: Closed, Semilunar: Opened
4. AV: Closed, Semilunar: Closed”
Answer:
Explanation:
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