Muscular System
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
|---|---|---|---|---|---|
| Connective tissue surrounding a fascicle | Perimysium
🗑
|
||||
| Connective tissue ensheathing the entire muscle | Epimysium
🗑
|
||||
| Contractile unit of muscle | Sarcomere
🗑
|
||||
| A muscle Cell | Fiber
🗑
|
||||
| Thin connective tissue investing each muscle cell | Endomysium
🗑
|
||||
| Plasma membrane of the muscle cell | Sarcolemma
🗑
|
||||
| A long, filamentous organelle found within muscle cells that has a banded appearance | Myofilament
🗑
|
||||
| Actin- or myosin-containing structure | Myofibril
🗑
|
||||
| Cordlike extension of connective tissue beyond the muscle, serving to attach it to the bone | Tendon
🗑
|
||||
| A discrete bundle of muscle cells | Fascicle
🗑
|
||||
| Outside epimysium | fascia
🗑
|
||||
| Only actin, spans Z-line and ends at myosin | I-Band
🗑
|
||||
| Length of the myosin | A-Band
🗑
|
||||
| Only myosin in the center | H-Zone
🗑
|
||||
| Myosin anchored in - cell membrane | M-Line
🗑
|
||||
| Time between application to a motor neuron and beginning of contraction | Lag Phase
🗑
|
||||
| Time of Contraction | Contraction Phase
🗑
|
||||
| Occurs immediately after contraction phase - dont always get this | Relaxation Phase
🗑
|
||||
| Contraction of an entire muscle in response to a stimulus that causes an action potential in one or more fibers | Muscle Twitch
🗑
|
||||
| Sufficient strength of a stimulus to create an ALL OR NONE RESPONSE | Threshold
🗑
|
||||
| When actine and myosin filaments slide past one another causing sarcomeres to shorten | Sliding Filament Mechanism
🗑
|
||||
| Charge difference | Resting Membrane Potential
🗑
|
||||
| Back to resting/fast - 50 times a second | Repolarization
🗑
|
||||
| Causes cell to become permeable to sodium ions | Depolarization
🗑
|
||||
| Rapid depolarization and repolaration, results in muscle contraction | Action Potential
🗑
|
||||
| carry action potentials to skeletal muscle fibers | Motor Neurons
🗑
|
||||
| Between nerve cells or between nerve cell and effector cell (muscle or gland) | Synapse
🗑
|
||||
| Single motor neuron and all of the muscle fibers it innervates, many per muscle | Motor Unit
🗑
|
||||
| Axon | Presynaptic Terminal
🗑
|
||||
| Space between the musclefiber and nerve | Synaptic Cleft
🗑
|
||||
| Muscle fiber membrane | Postsynaptic Membrane
🗑
|
||||
| Contain Acetylcholine | Synaptic Vesicles
🗑
|
||||
| Increase number of motor neurons activated | Recruitment
🗑
|
||||
| When muscle remains contracted between stimuli - no relaxation phase | Tetanus
🗑
|
||||
| Amount of tension increases during contraction but length of muscle does not change - muscle strength | Isometric
🗑
|
||||
| Amount of tension is constant but length of muscle decreases | Isotonic
🗑
|
||||
| Constant tension of muscle fibers for long periods of time | Muscle Tone
🗑
|
||||
| Contract quickly and fatigue quickly | Fast-Twitch fibers
🗑
|
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:
kate87655
Popular Anatomy sets