Three Types of Muscle

Quiz on the Three Types of Muscles

Spread 2.4.8 in the OCR Biology A2 Student Text Book (pages 234 to 235)

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Which two proteins make up the filaments in muscles?
Myosin and Actin
1 of 15
Involuntary Muscle is also known as...
Smooth
2 of 15
Voluntary Muscle is NOT also known as
Smooth
3 of 15
What is a sarcomere?
The smallest contractile unit of a muscle
4 of 15
Which muscle cell is multinucleated?
Skeletal
5 of 15
What does 'involuntary muscle' mean?
A muscle that is not under concious (voluntary) control.
6 of 15
When looking at a microscope slide, cardiac muscle looks to be...
Striated, branched, in rows and with dark areas known intercalated discs.
7 of 15
Muscle cells do NOT contain:
Chloroplasts
8 of 15
What is peristalis?
Muscle contractions that moves food along digestive tract.
9 of 15
What is the action of smooth muscle in the iris?
Controlling the intensity of light entering the eye
10 of 15
What does 'myogenic' mean?
Able to stimulate a contractions without a nerve impulse
11 of 15
'____________' increases the heart's rate of contraction.
Sympathetic stimulation
12 of 15
The sinoatrial node is made of '___________'
specialised excitatory and conductive fibres
13 of 15
What is an 'intercalated disc'?
Cell membranes in cardiac muscle.
14 of 15
What is the name of the cell surface membrane that surrounds muscle fibres?
Sarcolemma
15 of 15

Other cards in this set

Card 2

Front

Involuntary Muscle is also known as...

Back

Smooth

Card 3

Front

Voluntary Muscle is NOT also known as

Back

Preview of the front of card 3

Card 4

Front

What is a sarcomere?

Back

Preview of the front of card 4

Card 5

Front

Which muscle cell is multinucleated?

Back

Preview of the front of card 5
View more cards

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