Answer:
D
Explanation:
myosin heads form cross bridges and pull thin filaments causing them to slide.
the presence of acetocholene causes calcium to be released causing depolarization of the sarcoplasmic reticulum and changing its shape. the myofilaments together with actin allows the myosin to form cross bridges along the muscle fibers and releases ATP for movement of the muscle.
Answer:
They provide a weight-bearing workout.
Explanation:
Free weight are normally used in exercises. It is quite different from weight machines as it can be used to perform any movement. It also helps to work on weaker parts of the body to become stronger through continual focus.
The weight machines are however known to be safer and the free weight provides a weight-bearing workout because it can be moved in different directions and positions.
Answer:
Hi there! i believe its the 1st one but i could be wrong
Explanation:
Much love!~
Most diseases can't be passed from person to person
Answer:
Explanation:
Skeletal muscle. Skeletal muscles are the only muscles that can be consciously controlled. ...
Smooth muscle. Smooth muscle lines the inside of blood vessels and organs, such as the stomach, and is also known as visceral muscle. ...
Cardiac muscle.