Muscles
When muscle tone rises to a specific level and the muscle shortens to pull I --> O is:
Concentric contraction
This substance is produced inside the lungs and required to reduce surface tension and keep the alveoli open
Surfactant
This organ regulates body cell growth
Pituitary gland
This bony is on the lateral side of the lower leg and is more proximal or distal than the other bone?
Fibula, distal
The 1st metacarpal on the trapezium is a ____ joint with ____ degrees of freedom
Saddle; 2
The upper trapezius performs this motion when contracting bilaterally
Cervical extension
This branch of the ANS decreases energy expenditure for digestion and organ function while making the body ready for intense stress
Sympathetic nervous system
Neurons that conduct impulses AWAY from the brain and spinal cord are called:
efferent neurons
This is where the capitulum of the humerus articulates
Proximal end of the radius
The lever that is best designed for speed and range of motion
3rd class lever
This is what the lumbricals do:
This is where motor neurons exit the spinal cord
Ventral horn
Trachea and large bronchi are included in which portion of the respiratory system?
Lower respiratory portion
These are the bones of the pectoral girdle:
clavicle and scapula
The fulcrum within a lever system represents this in the human body
The joints and stabilizing ligaments
During gait, this muscle is responsible for holding the pelvis level by preventing hip adduction on the non weightbearing leg.
Gluteus medius
An undisturbed cell or neuron at rest is considered _____ while a stimulated cell or neuron is _____
Polarized, depolarized
These are some of the smallest vessels in the body which carry intercellular fluid and substances back toward the trunk, they have no pressure to facilitate flow
Lymphatic vessels
Greater trochanter is the common insertion for muscles performing which actions?
Lateral rotation and hip abduction
A single efferent neuron, its terminal branches, the NT it releases, synaptic cleft and end plates all comprise this:
A motor unit
These muscles position the patella
Vastus lateralis and vastus medialis
This is the specific neurotransmitter for skeletal muscle contraction:
Acetylcholine
This is where the least amount of pressure in the heart is located, while this is where the greatest amount of pressure is located
Right atrium, left ventricle
This padded area is on the thumb sign of the hand while this area is on the pinky side:
thenar eminence, hypothenar eminence
This is Kayla's biggest fear:
Whales