Muscle is a soft tissue found in most animals. source
Muscle is a soft tissue found in most animals.
Muscles function to produce force and motion. source
Muscles function to produce force and motion.
Muscles are primarily responsible for maintaining and changing posture, locomotion, as well as movement of internal organs. source
Muscles are primarily responsible for maintaining and changing posture, locomotion, as well as movement of internal organs.
Muscle tissues are derived from the mesodermal layer of embryonic germ cells in a process known as myogenesis. source
Muscle tissues are derived from the mesodermal layer of embryonic germ cells in a process known as myogenesis.
There are three types of muscle, skeletal or striated, cardiac, and smooth. Muscle action can be classified as being either voluntary or involuntary. source
There are three types of muscle, skeletal or striated, cardiac, and smooth. Muscle action can be classified as being either voluntary or involuntary.
Muscle cells contain protein filaments of actin and myosin that slide past one another. source
Muscle cells contain protein filaments of actin and myosin that slide past one another.
Cardiac and smooth muscles contract without conscious thought and are termed involuntary, whereas the skeletal muscles contract upon command. source
Cardiac and smooth muscles contract without conscious thought and are termed involuntary, whereas the skeletal muscles contract upon command.
Skeletal muscles in turn can be divided into fast and slow twitch fibers. source
Skeletal muscles in turn can be divided into fast and slow twitch fibers.
Muscles are predominantly powered by the oxidation of fats and carbohydrates, but anaerobic chemical reactions are used. source
Muscles are predominantly powered by the oxidation of fats and carbohydrates, but anaerobic chemical reactions are used.
Muscles particularly by fast twitch fibers. source
Muscles particularly by fast twitch fibers.
These chemical reactions produce adenosine triphosphate (ATP) molecules that are used to power the movement of the myosin heads. source
These chemical reactions produce adenosine triphosphate (ATP) molecules that are used to power the movement of the myosin heads.
The term muscle is derived from the Latin musculus meaning "little mouse" perhaps because of the shape. source
The term muscle is derived from the Latin musculus meaning "little mouse" perhaps because of the shape.
Muscle tissue is a soft tissue, and is one of the four fundamental types of tissue present in animals. source
Muscle tissue is a soft tissue, and is one of the four fundamental types of tissue present in animals.
There are three types of muscle tissue recognized in vertebrates. source
There are three types of muscle tissue recognized in vertebrates.
All muscles are derived from paraxial mesoderm. source
All muscles are derived from paraxial mesoderm.
Skeletal muscles are sheathed by a tough layer of connective tissue called the epimysium. source
Skeletal muscles are sheathed by a tough layer of connective tissue called the epimysium.
The gross anatomy of a muscle is the most important indicator of its role in the body. source
The gross anatomy of a muscle is the most important indicator of its role in the body.
The efficiency of human muscle has been measured (in the context of rowing and cycling) at 18% to 26%. source
The efficiency of human muscle has been measured (in the context of rowing and cycling) at 18% to 26%.
Nerves that control skeletal muscles in mammals correspond with neuron groups along the primary motor cortex of the brain's cerebral cortex. source
Nerves that control skeletal muscles in mammals correspond with neuron groups along the primary motor cortex of the brain's cerebral cortex.