muscles attached to bone with alternating light and dark bands
What are skeletal muscles?
100
when thin muscle filament slide over large filaments
What is muscle contraction?
100
The inner contents of a bone; there are two types, one that makes fat, the other makes blood cells; (also apparently tasty)
What is bone marrow?
100
A place where bones attach to one another
What is a joint?
200
two layers of tissue that holds joints together attached to surrounding bones
What are ligaments?
200
a spindle-shaped muscle found in the linings of internal organs
What are Smooth muscles?
200
supplies the energy for contraction
What is ATP?
200
a tissue that is eventually replaced by bone except for the ears and nose
What is cartilage?
200
a joint fixed in place, held in place with tissue or fused together
What is an immovable joint?
300
when bone replaces cartilage
What is ossification?
300
muscles only found in the heart
What are cardiac muscles?
300
the point between a muscle cell and a neuron
What is a neuromuscular junction?
300
a solid network of live tissues and cells surrounded by deposits of calcium salts
What is a bone?
300
a restricted, yet flexible joint, like the spine or the lower leg
What is a slightly movable joint?
400
thick filaments in muscle are made of [blank], thick are made of [blank]
What are myosin and actin?
400
the only type of muscle you have voluntary control of
What are skeletal muscles?
400
metal that affects the sppeed messages jump from nerve to cell
What is iron?
400
These make up the [blank] of a skeleton: Skull, Sternum, ribs, and spinal column
What is the axial skeleton?
400
a joint that can move in one or more directions
What is a freely movable joint?
500
tubes in bone for blood veins
What are Haversian tubes?
500
the average human mass is made out of this much muscle
What is over 40%?
500
this chemical hold the signal for when to contract a muscle
What is acetylcholine?
500
These make up the [blank] of a skeleton:clavicle, scapula, humerus, radius, pelvis, ulna, carpals, metacarpals, phalanges, femur, patella, fibula, tibia, tarsals, and metatarsals
What is the appendicular skeleton
500
the four different kinds of freely movable joints
What are the ball-and-socket, hinge, pivot, and saddle joints?