Atoms Flashcards
Ball and socket joints ?
Hip and shoulder , move around circular
Cartilage is…….
Reduces friction between 2 Bones near joints
Fixed joints ?
In the skull , cant move
Gliding joints ?
Back ( vertebral column ) . Glide over each overs bone
Hinge joints ?
Knee and elbow, moves in 1 direction like gate ( open close )
How do you find the atomic number ?
Amount of protons
How do you find the group of an element ?
Amount of electrons
How do you find the period of the element ?
Number of shells ( circles )
Ligaments are ….
Substance which supports and holds 2 bones together
Motor neuron is….
Gives message to the muscles to react to the CNS effector.
Nerves contain…
A long axon to travel (stretch )
Pivot joints ?
Neck, more than 2 directions
Relay neurons is….
Fond in CNS and passes info quickly
Sensory neurons is….
Carry info from receptor or cell to the CNS
Tendon is…….
Holds mussels to the bone
The 3 neuroses are……
Sensory ,relay and motor
What is a cell wall ?
Maintains shape of the cell
What is an element ?
Substance made up of 1 type of atom
What’s a compound ?
Pure substance made of 2 or more atoms of different elements chemically joined
What’s a mixture?
2 or more different elements not bonded
what’s an atom ?
Smallest particle of a chemical element
