Anatomy Chapter 6
Help!
|
|
||||
|---|---|---|---|---|---|
| Muscle Cells | Muscle Fibers
🗑
|
||||
| The ability of skeletal muscle to shorten with force | Contractibilty
🗑
|
||||
| The capacity of skeletal muscle to respond to a stimulus | Excitability
🗑
|
||||
| The ability to be stretched | Extensibility
🗑
|
||||
| ability to recoil to their original resting length after they have been stretched | Elasticity
🗑
|
||||
| Each skeletal muscle is surrounded by a connective tissue sheath called the.. | Epimysium
🗑
|
||||
| Another connective tissue located outside the epimysium. It surrounds and seperates muscles | Fascia
🗑
|
||||
| A muscle is composed of numerous visible bundles called muscle fasciculi, which are surrounded by loose connective tissue called the.. | perimysium
🗑
|
||||
| Each fiber is surrounded by a connective tissue sheath called the.. | endomysium
🗑
|
||||
| Thin myofilaments | actin myofilaments
🗑
|
||||
| Thick myofilaments | Myosin Myofilaments
🗑
|
||||
| Actin and mysoin myofilaments for highly ordered units called.. | sarcomeres
🗑
|
||||
| Basic structural and functional unity of a muscle | Sarcomere
🗑
|
||||
| On each side of the Z line is a light area called.. | I band
🗑
|
||||
| The A band extends the length of what? | The myosin
🗑
|
||||
| In the center of each sarcomere is another light area called the what? | H Zone
🗑
|
||||
| The charge difference across the membrane is called the what? | Resting membrane potential
🗑
|
||||
| nerve cells that carry action potentials to skeletal muscle fibers? | Motor neurons
🗑
|
||||
| A single motor neuron and all the skeletal muscle fibers it innervates are called a what? | Motor Unit
🗑
|
||||
| The enlarged nerve terminal is the what? | presynaptic terminal
🗑
|
||||
| The space between the presynaptic terminal and the muscle cell is the what? | Synaptic Cleft
🗑
|
||||
| Each presynaptic terminal contains what? | synaptic vesicles
🗑
|
||||
| The sliding actin myfilaments past myosin myofilaments during contraction is called the what? | 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 is what? | Muscle twitch
🗑
|
||||
| A muscle fiber will not respond to stimulus until that stimulus reaches a level called what? | threshold
🗑
|
||||
| the time between application of a stimulus to a motor neuron and the beginning of a contraction is the what? | lag phase
🗑
|
||||
| the time of contraction is the what? | contraction phase
🗑
|
||||
| The time during which the muscle relaxes is the what? | relaxation phase
🗑
|
||||
| Where the muscle remains contracted without relaxing | Tetany
🗑
|
||||
| the increase in number of motor units being activated is called what? | recruitment
🗑
|
||||
| When at rest muscle cells cant stockpile ATP but they can store another high-energy molecule called what? | Creatine Phosphate
🗑
|
||||
| Without oxygen | Anaerobic Respiration
🗑
|
||||
| With oxygen | Aerobic respiration
🗑
|
||||
| the amount of oxygen needed in chemical reactions to convert lactic acid to glucose and to replenish the depleted stores of creatine phosphate stores in muscle cells | oxygen debt
🗑
|
||||
| results 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 tenstion produced by muscles of the body for long periods of time | muscle tone
🗑
|
||||
| contract quickly and fatigue quickly | fast-twich fibers
🗑
|
||||
| contract more slowly and are more resistant to fatigue | slow-twitch fibers
🗑
|
||||
| group of muscles on each side of back | trunk muscles
🗑
|
||||
| draw scapula toward vertebral column | rhomboids
🗑
|
||||
| flexes, extends, and abducts the arm | deltoid
🗑
|
||||
| "chest muscle" abducts and flexes the arm | pectoralis major
🗑
|
||||
| pulls the scapula inferiorly | pectoralis minor
🗑
|
||||
| quiet breathing | diaphram
🗑
|
||||
| extends forearm | triceps brachii
🗑
|
||||
| flexes and suppinates forearm | biceps brachii
🗑
|
||||
| primary flexor of the forearm | brachialis
🗑
|
||||
| elevate ribs during inspiration | esternal intercostals
🗑
|
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:
slycan42
Popular Anatomy sets