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contraction and relaxation of the heart muscles
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∙ 11y ago
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What are three things muscles can do?
Allows for organism movement (skeletal muscles) or organ movement (cardiac muscles, smooth muscles of the gastrointestinal tract) Generates heat (in endotherms) Allows for blood to return to the heart after it has flowed to the extremities (by squeezing the veins when they contract)
What allows the movements of the blood in and out of the heart?
contraction and relaxation of the heart muscles
How does movement of electrical impulse relate to the contraction of the chambers of the heart?
The impulse shocks the left and right atria of the heart. This pumps blood into the left and right ventricle. The ventricles then receive the impulse and pump the blood. The movement of the electrical impulse allows the blood to move through multiple areas of the heart with only one impulse.
What is a leaky valve that allows backflow of blood?
An incompetent valve allows backflow of blood.
What movement of blood to the heart is tissues?
coranary circulation
What is the regular wave like movement of the blood pumped by the heart through the blood vessel?
upper chambers of the heart
Why are veins important in blood circulation?
Veins are responsible for the movement of deoxgenated blood from the heart
The heart is an involuntary which protect what?
The heart is protected by the cardiac muscle which is an involuntary muscle that allows the heart to pump blood.
What makes the throbbing of the pulse?
When your heart beats it moves blood and the movement of blood is ur pulse
What part of the heart that allows the blood to flow in one direction?
the valves
What part that takescare of movement of blood withinthe heart and the lungs?
lymph
Which organ system enables movement of the body and internal organs?
skeletal allows movement. No system allows movement of organs LOL
