WorksheetsATAR 11 Human Biology - Anatomy of muscles
Total questions: 15
Worksheet time: 20mins
Match the following:
Cardiac muscle
Heart muscle
Skeletal muscles
Attach to bone
Smooth muscles
Walls of alimentary tract
Match the following
Extensibility
Ability to be stretched
Elasticity
Ability to return to the original length
Contractibility
Ability to shorten
Excitability
Ability to get excited
Which muscles are under voluntary control?
Skeletal
Smooth
Cardiac
Match the following
Skeletal muscle
Smooth muscle
Cardiac muscle
Identify the location of the myofibril.
Identify the location of the muscle.
Identify the location of the muscle fibre.
Identify the location of the muscle bundle.
Identify the location of the nucleus.
Identify the location of the sarcolemma.
Identify the location of the mitochondrion.
Identify the location of the myofibril.
Study the diagram to identify the correct statements below.
The Z line is the red ziczac line.
The blue filament represents actin.
The H zone represents the area without actin.
The A band represent the extent of the actin filament.
Match the following
Thin filament
Actin
Thick filament
Myosin
Extent of myosin
A band
Space around Z band between myosin filaments
I band
Vertical line where myosin attaches
M line
Select the correct statements below.
The I band is wider when the muscle is relaxed.
The Z lines are closer then the muscle is relaxed.
There is more overlap between actin and myosin filaments when the muscles is contracting.
The A band gets narrower when the muscle contracts.
