chapt 6 uhadiohg
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
To shorten or develop tension. | Contraction
🗑
|
||||
Muscle cells. | Muscle Fibers
🗑
|
||||
Thin connective tissue surrounding each muscle cell. | Endomysium
🗑
|
||||
Connective tissues enveloping bundles of muscle fibers. | Perimysium
🗑
|
||||
A bundle of nerve or muscle fibers bound together by tissue. | Fascicle
🗑
|
||||
Plasma membrane. | Sarcolema
🗑
|
||||
The sheath of fibrous connective tissue surrounding a muscle. | Epimysium
🗑
|
||||
The smallest contractive unit of muscle. | Sarcomere
🗑
|
||||
One of the principle contractive proteins found in muscle. | Myosin
🗑
|
||||
A contractile protein of muscle. | Actin
🗑
|
||||
Speacialzed smooth endoplasmic reticulum. | Sarcoplasmic Reticulum
🗑
|
||||
A motor neuron and all the muscle cells it supplies. | Motor Unit
🗑
|
||||
Neuron process that carries impulses away from the nerve cell body. | Axon
🗑
|
||||
A chemical transmitter substance released by certain nerve endings. | Acetylcholine
🗑
|
||||
Muscles that are unable to contract even though it is still stimulated. | Muscle Fatigue
🗑
|
||||
The moveable attatchment of a muscle as opposed to its origin. | Insertion
🗑
|
||||
Muscles cooperating with another muscle or muscle group to produce a desired movement. | Synergists
🗑
|
||||
Muscles that act in opposition to an agonist or prime mover. | Antagonist
🗑
|
||||
Muscles acting to imobilize a joint or bone. | Fixators
🗑
|
||||
Muscle consisting of spindle fibers, unstripped muscle cells. | Smooth Muscle
🗑
|
||||
Specialized muscle of the heart. | Cardiac Muscle
🗑
|
||||
Muscles that are unable to contract even though it is still stimulated. | Muscle Fatigue
🗑
|
||||
Contraction in which muscles do not shorten. | Isometric Contractions
🗑
|
||||
Attatchment of a muscle that remains relatively fixed during muscular contraction. | Origin
🗑
|
||||
Myofilaments are successful in their sliding movements, the muscle shortens and movement occurs. | Isotonic Contractions
🗑
|
||||
The ability of skeletal muscle to shorten with force. | Contracility
🗑
|
||||
The capacity of skeltal muscle to resopond to a stimulus. | Excitabililty
🗑
|
||||
Ability to recoil to their original resting length after they have been stretched. | Elasticity
🗑
|
||||
the ability to be stretched | Extensibility
🗑
|
||||
Another connective tissue located outside of the epimysium. | Fascia
🗑
|
||||
A threadlike structure that extends from one end of the fiber to another. | Myofibrilis
🗑
|
||||
The charge difference across the membrane | Resting Membrane Potential
🗑
|
||||
The brief reversal back of the charge | Action Potential
🗑
|
||||
Each branch that connects to the muscle forms | synapse
🗑
|
||||
Nerve cells that carry action potentials to skeletal muscle fibers | Motor Neurons
🗑
|
||||
The enlarged nerve terminal | Presynaptic Terminal
🗑
|
||||
The space between the presynaptic terminal and the muscle cell | synaptic cleft
🗑
|
||||
the muscle fiber | Postsynaptic Terminal
🗑
|
||||
Each presynaptic Terminal contains | Synaptic Vesicles
🗑
|
||||
The sliding of actin myofilaments past myosin myofilaments slide past one another causing the sacromeres to shorten | Sliding Filament Mechanism
🗑
|
||||
A contraction of an entire muscle in response to a stimulus that causes the action potential in one or more muscle fibers | muscle twitch
🗑
|
||||
A muscle fiber will not respond to stimulus until that stimulus reaches a level called | Threshold
🗑
|
||||
The time between application of a stimulus to a motor neuron and the beginning of a contraction | Lag Phase
🗑
|
||||
the time of the contraction is | Contraction Phase
🗑
|
||||
The time when the muscle relaxes | Relaxation Phase
🗑
|
||||
Where the muscle remains contracted without relaxing | Tetany
🗑
|
||||
the increase in number of motor units being activated | Recruitment
🗑
|
||||
needed for energy for muscle contraction | ATP
🗑
|
||||
a high energy molecule stocked by ATP | Creatine Phosphate
🗑
|
||||
without oxygen | Anaerobic Respiration
🗑
|
||||
with oxygen | Aerobic Respiration
🗑
|
||||
amount of oxygen needed in chemical reactions to convert lactic acid to gluclose | Oxygen Debt
🗑
|
||||
when ATP is used during muscle contraction faster than it can be produced in the muscle cells | Muscle Fatigue
🗑
|
||||
the length of the muscle does not change but the amount of tension increases during the contraction process | isometric
🗑
|
||||
the amount of tension produced by the muscle is constant during contraction, but the length of the muscle changes | isotonic
🗑
|
||||
constant tension produced by muscles of the body for long periods of time | muscle tone
🗑
|
||||
contract quickly and fatigue quickly | fast-twitch fibers
🗑
|
||||
contract more slowly and are more resistant to fatigue | slow-twitch fibers
🗑
|
||||
most stationary end of the muscle | origin
🗑
|
||||
end of the muscle undergoing the greatest moviement | insertion
🗑
|
||||
portion of the muscle between the origin and the insertion | belly
🗑
|
||||
muscles that work together | synergists
🗑
|
||||
muscles that work against eachother | anatagonist
🗑
|
||||
if one muscles plays a major role in accomplishing the desired movement | prime mover
🗑
|
||||
raises eyebrows | occipitofrontals
🗑
|
||||
closes eyelids | orbicularis oculi
🗑
|
||||
puckers lips | orbicularis oris
🗑
|
||||
flattens the cheeks | buccinator
🗑
|
||||
smiling | zygomaticus
🗑
|
||||
sneering | levator labili superiors
🗑
|
||||
frowning | depressor anguli oris
🗑
|
||||
chewing | mastication
🗑
|
||||
moves the tongue | extrinsic
🗑
|
||||
changes the shape of the tongue | intrinsic
🗑
|
||||
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
alirenea19
Popular Anatomy sets