Front

What are myofibrils made up of?

Back

Myofibrils are made up of two types of proteins known as Actin and Myosin.

Front

What chemical energy allows for muscle contraction?

Back

ATP (Adenosine Triphosphate) supplies the chemical energy for muscle contraction.

Front

Which muscles are involuntary?

Back

Smooth and cardiac muscles are involuntary.

Front

What happens to muscles when they are not used?

Back

When muscles are not used, they undergo atrophy.

Front

Which muscle type is found in the stomach, bladder, and intestines?

Back

Smooth muscle is found in the stomach, bladder, and intestines.

Front

What is the primary function of Actin in muscle contraction?

Back

Actin provides the structural framework for muscle contraction.

Front

What role does Myosin play in muscle contraction?

Back

Myosin interacts with Actin to facilitate muscle contraction.

Front

What is ATP and why is it important for muscles?

Back

ATP (Adenosine Triphosphate) is the energy currency of the cell, crucial for muscle contraction.

Front

What is muscular dystrophy?

Back

Muscular dystrophy is a group of genetic diseases that cause progressive weakness and loss of muscle mass.

Front

What is rigor mortis?

Back

Rigor mortis is the stiffening of muscles after death due to chemical changes in the muscles.