0
How breathing depends on muscular contraction relaxation and changes in lung pressure?
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
Is systolic pressure where the ventricls are relaxing?
Relaxation = Diastole Contraction of the atria=Atrial systole Contraction of the ventricles = Ventricular systole
What aids lymph flow?
muscular activitybreathing muscle contraction peristalsis
When you take someone's blood pressure you are measuring the pressure during the contraction and relaxation phases of the heart muscle?
true
Why artery called resistance vessels?
The contraction and relaxation of the smooth muscle in their walls can change their diameter, thus changing the level of pressure (large diameter yields low pressure and smaller diameter yields high pressure).
Name two events occuring within the body that aid in venous return?
Muscular contractions, such as those during physical activity, help propel blood back towards the heart by compressing the veins. Additionally, the presence of one-way valves in veins prevents the backflow of blood and assists in the venous return process.
Why does the abdominal cavity have a soft muscular wall?
The abdominal cavity has a soft muscular wall to provide flexibility and movement during activities like breathing, bending, and twisting. The muscles help protect the internal organs and support the spine and abdomen. This soft muscular wall also allows for the expansion and contraction of the abdomen to accommodate changes in internal pressure.
When is the Blood pressure greatest in the arteries?
Blood pressure in the arteries is greatest during systole. Systole is the period of heart contraction, while diastole is the period of heart relaxation.
What part of blood pressure denotes the force exerted on the arterial walls during cardiac contraction?
The force exerted on the arterial walls during cardiac contraction is systolic blood pressure. In contrast, diastolic blood pressure is the force exerted during cardiac relaxation.
What causes a pressure chage in the chest cavity during breathing?
The pressure change in the chest cavity during breathing is caused by the contraction and relaxation of the muscles involved in respiration, such as the diaphragm and intercostal muscles. When these muscles contract, the chest cavity expands, causing a decrease in pressure, which allows the lungs to expand and fill with air. Relaxation of these muscles results in an increase in pressure, causing exhalation.
What happens to the volume of blood in the ventricle during the period of isovolumetric contraction?
Both ventricular contraction and atrial diastole take place.
What research has been done on yoga?
The Relaxation Response, by Harvard cardiologist Herbert Benson, showed that meditation and breathing techniques for relaxation could have the opposite effect of stress, reducing blood pressure and other indicators.
What are two factors that help move blood through veins back to the heart?
Really, I know just a factor which is that the veins have a valve which helps to push the blood. This is because the vein has a thin muscular wall and low pressure. Therefore,the valve is there to prevent the flow back of blood.
