Musculoskeletal
This structure connects muscle to bone
Tendon
This theory explains how skeletal muscle ________ (aka shortens)
contracts
The name of the pointed end of the sternum
Xiphoid process
PNS stands for...
Peripheral nervous system
Connects two bones together
Ligament
During muscle contraction, the __________ moves towards the origin
Insertion
The element which the brain triggers the release of to start the whole process of muscle contraction
Ca+, calcium
The bony protrusion on the inside of your ankle, found on the tibia
Medial malleolus
The CNS is made up of these 2 structures
Brain & spinal cord
Only one of these joints exists in the body and can be found in the thumb
Saddle joint
Give one example of an involuntary muscle type
cardiac OR smooth
Ca+ binds with _________ to uncover the actin
troponin
The pointy part of your elbow, found on the ulna
Olecranon process
The brain sends electrical signals for motor and sensory information via something called a _____
neuron
This joint type allows no movement
Synarthroses
This bone type contains red & yellow bone marrow
Long bones
this is the electrical energy which causes the release of Ca+, 2 words
action potential
The name of the bony landmark on the innominate where the head of the femur articulates
Acetabulum
This system releases adrenaline to trigger the fight or flight response
Sympathetic nervous system
The hip and shoulder are examples of this type of diarthroses joint
Ball & socket
Name the 5 bone shapes
short, long, flat, irregular, sesamoid
These two proteins join together to create a power stroke
actin, myosin
Name the 7 tarsal bones
medial/intermediate/lateral cuneiform, cuboid, navicular, talus, calcaneus
When an electrical signal skips the brain and comes straight from the spinal cord, it's called a _____
Reflex
This plane of motion allows for rotation
Transverse plane