bio Flashcards
ball and socket joint
a joint in which the round end of one bone fits into the “cup” of another
hinge joint
a joint that moves like a door (open and close)
pivot joint
One bone rotates over the other like in your neck and arm
ellipsoidal joint
All your vertebrae rub together and bones that rub together
Specialised cells
Cells that are adapted to carry out a particular function
cells differentiate to become specialised by
changing shape, subcellular structures develop
sperm, nerve, muscle
specialised animal cell examples
tissue
A group of similar cells that perform the same function.
different tissues working together
organs
organs working together
organ system
organ systems working together
organism
cell
Basic unit of life
carries water upward from the roots to every part of a plant
xylem
carries nutrients and food from place to place inside the cell
phloem
air sacs
groups of alveoli in the lungs where gas exchanges happen.
alveolus
small, round pocket that is grouped with other alveoli to form air sacs in the lungs. The plural is alveoli.
breathing system
the organs that move air in and out of your body. Also called the respiratory system.
bronchus
tube that connects the windpipe to the tubes in the lung that go to the air sacs. Plural=bronchi
cilia
small hairs on the surface of some cells