1
A group of people living together and practicing common ownership.
2
A blood vessel in humans and most other animals that takes blood away from the heart to one or more parts of the body.
3
Veins are blood vessels in the circulatory system of humans and most other animals that carry blood toward the heart.
4
A biological community of interacting organisms and their physical environment.
5
Of little depth.
6
A powdery substance produced by flowers of seed plants.