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What is the liquid that fills an echinoderm's vascular system?
Water
Do echinoderms have a closed circulatory system?
All vertebrates have closed circulatory systems, meaning that the blood never travels outside of a system of veins, arteries and capillaries.
Which phase always fills its container?
when a substance is in liquid phase
What empties as it fills?
A pitcher, or other container filled with liquid.
What is the name of the jelly-like liquid that fills a cell called?
Cytoplasm.
What describes the properties of a liquid?
it completely fills its container, takes the shape of its container
When the bladder fills with liquid stretch receptors are activated?
Stretch receptors in the bladder wall are activated when the bladder fills with urine or liquid. These receptors signal the brain to indicate the fullness of the bladder, triggering the urge to urinate.
What portion of the eye does the vitreous humor fill?
It is the liquid that fills the eyeball from the lens to the retina.
What eye part starts with a v?
"Vitreous" . . . this is the jelly-like clear liquid that fills the eyeball.
What fills most of the size of the solar system?
Empty space.
List properties of a liquid?
A liquid has a definite volume but an indefinite shape. It takes the shape of its container.
What is state in which a substance completely fills its container called?
The state in which a substance completely fills its container is called saturation. At saturation, the substance is in equilibrium with its surroundings, with no further exchange of matter occurring.
