Muscles need ATP to contract. Mitochondria produce most of the ATP in the cell, so there are lots of mitochondria in muscle.
Muscles have many mitochondria. It needs much energy for contractions
smooth muscles and cardiac muscles contain a single, centrally located nuclei, where as skeletal muscle cells are very large and contain many nuclei.
The head and neck contain around 43 facial muscles responsible for expressions like smiling, frowning, and squinting. These muscles work together to help us convey our emotions and communicate non-verbally.
the muscles are smooth muscles!
fibers
myofibrils
These structures do not contain smooth muscle A brain - The brain does not contain muscles!C arm musclesD leg musclesThese DO contain smooth muscle:B heartE intestines
Muscle fibres contain two myofilaments called actin and myosin
Smooth muscles contain spindle shaped cells.
Muscles contain an oxygen storage pigment called myoglobin. Myoglobin helps muscles store and transport oxygen for energy production during exercise.
Yes, especially in muscles
muscle fiber