Fermentation
Increases
Using ATP, the cells in the muscles of the sun's legs use actin and myosin to expand and contract, making the muscles themselves contract and move.
friction
Yes, provided you are capable of making your "mark".
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Not exactly. Your intercostal muscles are the muscles that contract and they're found inbetween in each rib in the rib cage. When this contracts, as well as the diapragm, the lungs will have less air pressure inside them, making you breathe in. Hope this helped? :)
Purkinje fibers
The radial muscles in the iris contract making the pupil larger letting in more light.
The motor neurons responsible for making a fist are primarily the lower motor neurons located in the spinal cord that innervate the intrinsic muscles of the hand, particularly the flexor digitorum profundus and flexor digitorum superficialis. These neurons receive signals from the upper motor neurons in the motor cortex, which send commands for coordinated movement. When activated, these lower motor neurons stimulate the muscles to contract, allowing the fingers to flex and form a fist.
The muscles of the airways contract during an asthma attack, leading to narrowing of the air passages and making it difficult to breathe. This constriction is triggered by various factors such as allergies, exercise, or irritants like smoke. Prompt treatment with medications can help to relax the muscles and alleviate symptoms.
the diaphragm, ribs, chest muscles, and sternum.