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What are 3 physical changes that take place when a skeletal muscle contracts?
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Which skeletal muscle contracts rapidly during hyperventilation?
diaphragm
When one skeletal muscle contracts and it opposing mucsle relaxes it is an example of?
antagonistic muscle action.
Muscle contracts to move?
the muscles and the bone work together and attached
Are striated under skeletal muscle?
Because muscle cells can only contract, not extend, skeletal muscles most work in pairs. While one muscle contracts, the other muscle in the pair relaxes to its original length.
What are contract muscles?
Smooth Muscle contractions are regulated by calcium ions. The smooth muscle differs from skeletal muscle in that its contracts from all sides.
What is the end of the muscle that is attached to the movable bone and moves when a skeletal muscle contracts?
Insertion point, which most probably is a tendon.
Which muscle tissue skeletal smooth or cardiac changes internal volume of an organ as it contracts?
"When smooth muscle contracts, the cavity of an organ alternately becomes smaller or enlarges so that substances are propelled through the organ along a specific pathway"Smooth muscle
What contracts faster cardiac or skeletal muscle?
Cardiac. Think about it ur heartbeat is constantly contracting and releasing while ur skeletal muscle on ur arms can only go so fast
What happens when a muscle pulls a force on a bone?
skeletal muscles that are attached to ligaments that are attached to bone
What kind of tissue contracts?
Muscle tissue specializes in contraction. This includes cardiac, smooth, and striated.
When a skeletal muscle contracts a protein called a myosin hooks onto pulls against a partner protein called?
When a skeletal muscle contracts, a protein called a myosin hooks onto and pulls against a "partner" protein calledA. actin.B. a sarcoplasm.C.myofibril.D. a sarcomere.the answer is A actin
How does a muscle contact according to the sliding-filament model of muscle contraction?
When skeletal (or cardiac) muscle contracts, the thin and thick filaments in each sarcomereslide along each other without their shortening, thickening, or folding.
