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Muscular System

The muscular system allows humans to move. Muscles also provide strength, balance and heat.

11,239 Questions

Is muscle heavier than fat?

no. it's the other way around. muscle is heavier than fat. muscle weighs approximately 17.7% more than fat.

What synthesises actin?

Actin is synthesized by ribosomes in the cytoplasm from messenger RNA (mRNA) that encodes the actin protein. The gene for actin is transcribed into mRNA in the cell nucleus, and this mRNA is then translated by ribosomes to produce actin monomers, which can polymerize to form actin filaments. Actin filaments are crucial components of the cytoskeleton, playing essential roles in cell shape, movement, and division.

What is the cardiac muscle referred to?

The cardiac muscle is the heart. The muscle type is smooth.

Can sports build muscle?

Sports can definitely build muscle! However, what muscles and how much are dependent on the sport and how you practice for it. In a lot of high school sports, coaches will have training sessions where you work on building muscle, not necessarily techniques for the sport. I know for high school lacrosse and football near me there are workouts for you to get in shape for the season, and of course you continue training during the season.

Which muscle tissue shows no striations?

Smooth muscle Tissue have no striations. (there are 3 types of muscle tissue - Skeletal, Cardiac, and Smooth) Smooth propels substances along internal passageways involuntarily.

What are the thin fibers responsible for muscle contraction?

The thin myofilaments are actin. They slide between the thick filaments called myosin.

What exercise best represents the use of red muscle fibers?

Basically the time under stress brings in red muscle or the slow twitch fibers into action.

If the movement is controlled and the set goes longer the red fibers are used.. If the movement is explosive and heavy then the white fibers are used.

For example squatting for 15 rep range incorporates red fibers of the thighs very well

Does the muscle pull the bone in one direction and the other in the opposite?

Let's take your arm as an example. you have the bicep and the tricep. all muscles come in pairs. they can only push, not pull. your bicep connects to the top of your hinge joint in your elbow, and your triceps connect to the bottom. your bicep pulls to bend your arm, and your triceps pulls to straighten your arm.

Was that a too complicated answer?