A birds bones has tiny air sacks throughout them. All of the sacks are connected to the lungs.
In the lungs,Blood is exchanged adn sent to different parts of the body.
System of orbits
System of orbits
System of orbits
Becaue you are tied to an antiquated system of measurement?
Producers
The lungs use the circulation caused by the heart... :) The pumping of the heart is tied to the respiratory system
Perchant Perch"ant\, n. [F.] A bird tied by the foot, to serve as decoy to other birds by its fluttering.
nobles owned land, peasants were tied to land
the best one i use is shacky bones i win all the time with him no one beats me but tied once with up for grabs card
60,000 miles or 96,000 kilometres
A vasectomy is not part of the reproductive system. It is a sterilization procedure done on men in which the vans deferens is cut and tied.