Ok
Closed. It also has a water-vascular system. :)
Brown bear have a close circulation system
it is close so then the blood can float in it nice and easy
Circulation can refer to different systems in biology, but in general terms, the circulatory system in mammals is closed. This means that blood is contained within vessels and circulates through a network of arteries, veins, and capillaries. In contrast, some organisms, like certain invertebrates, have an open circulatory system where blood flows freely through cavities.
"Show" is open, "and" is closed. O- is open, -pen is closed. "Closed" is closed.
In an open container because the warm air can melt the ice faster.
Its sort of a cross between the two, but is mostly closed. This due to the different stages of evolution etc. Not so. Fish have a closed circulatory system, Arteries carry blood from the heart and veins return the blood to the heart.
a construction site?
The opposite of the adjective closed is open. The opposite of the verb closed is opened.
Clams have an open circulatory system. Their blood is pumped by a heart into large sinuses through which it bathes the organs directly before being returned to the heart.
Both open syllables.
All vertebrates have closed circulatory systems, meaning that the blood never travels outside of a system of veins, arteries and capillaries.