yes they do, however the spacing between holes in the cage can be off. Best to stick to one or the other, but it is useful connecting savic tubes with the t junction ferplast tubes. Ps. if you have a syrian hamster the 6cm diameter of the ferplast tube is wide enough (but the 5cm rotastak is a bit small), but the savic is just smaller than 7cm. Hope this helps.
no i would just try habitrail w/habitrail
The bronchial tubes connect the trachea and the lungs. Air moves through these tubes into and out of the lungs.
A persom can connect the two different types of Rotastak tubes by clicking the tubes together at the hinge. Rotastak tubes are common amongst hampster owners.
Fallopian tubes - the tubes that connect the uterus to the ovaries.
Bronchioles
Habitrail creates tubes that connect wire cages and tubes together
Capillaries are the tiny tubes that carry blood. These tubes connect arteries and veins.
vas deferens
They are the bronchi.
The pharynx, the larynx and the trachea (windpipe), in that order, connect the mouth to the bronchial tubes.
Capillaries are the tiniest of the blood vessels. They connect arteries and veins.
the fallopian tubes connect the ovaries to the uterus