Muscular System

Front

What type of muscle tissue is found in the heart?

Back

Cardiac muscle tissue is specialized for the heart and is involuntary.

Front

Muscles move bones by what action?

Back

Muscles move bones by pulling.

Front

What are the three types of muscle tissue?

Back

Skeletal, smooth, and cardiac.

Front

What is the primary function of skeletal muscles?

Back

To facilitate movement by contracting and pulling on bones.

Front

What initiates skeletal muscle contraction?

Back

A neuron sends a message to the muscle cell.

Front

What molecule provides energy for muscle contraction?

Back

ATP (Adenosine Triphosphate) provides the energy for muscle contraction.

Front

What is the role of smooth muscle?

Back

Smooth muscle controls involuntary movements in organs such as the intestines and blood vessels.

Front

What is the difference between voluntary and involuntary muscles?

Back

Voluntary muscles are controlled consciously (e.g., skeletal muscles), while involuntary muscles operate automatically (e.g., cardiac and smooth muscles).

Front

What are pectoral muscles?

Back

Pectoral muscles are located in the chest and are responsible for movements of the shoulder and arm.

Front

What is muscle hypertrophy?

Back

Muscle hypertrophy is the increase in muscle size due to exercise and resistance training.