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The lymph is circulated via muscle movement. The lymphatic system is not closed and has no central pump; thus transport is slow and sporadic. Lymph movement occurs due to peristalsis (propulsion of the lymph due to alternate contraction and relaxation of smooth muscle), valves, and compression during contraction of adjacent skeletal muscle and arterial pulsation.
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What is the natural force that causes objects to move toward each other?
Gravity is the natural force that causes objects to move toward each other. This force is a fundamental property of matter that attracts all objects with mass toward each other.
What is the force that causes objects to move toward the center of the earth?
Gravity is the force that causes objects to move toward the center of the earth. This force is proportional to the mass of the object and the mass of the earth, and it decreases with distance from the center of the earth.
What are vessels that move blood toward the heart called?
i think its the pulmonary vein, aorta, and main artery
Reason for elevating the legs when are swelling from acute Brochitis?
To help move the blood back toward the heart
Does the squeezing of skeletal muscles move lymph through the lymphatic system?
Yes. The lymphatic system does not have a "heart" like in the circulatory system to pump its contents around, so it relies on the movement of adjacent muscles and vessels to propel lymph.
What is the natural force that causes an object move toward the center of Earth?
Gravity is the natural force that causes an object to move toward the center of Earth. This force is proportional to the mass of the object and the mass of Earth, and inversely proportional to the distance between the object and the Earth's center.
What are the blood vessels that direct blood toward the heart?
Veins move blood back to the heart. Think of the "V" as part of an arrow and the arrow is shooting the blood BACK to the heart.
What is the force that causes the box to move downward?
The force that causes the box to move downward is gravity. Gravity is the force that pulls objects toward the center of the Earth.
How do lymph move?
Lymph moves through the body via muscle contractions, breathing movements, and the contraction of lymphatic vessels. The one-way valves inside the vessels prevent backflow, allowing lymph to flow towards the heart. Movement and physical activity also help to propel lymph through the lymphatic system.
Can yersinia pestis move?
Yes, Yersinia pestis, the bacteria that causes the plague, can move within the body by being carried by immune cells to lymph nodes where they replicate and cause infection. They do not have the ability to move independently outside the body.
What is the cause of differences in air pressure?
Causes air to move from poles toward the equator
When a car makes a sharp left turn what causes the passenger to move toward the right side of the car?
centrifugal force
