Exam 8:The Muscular System-Part B

In the sliding filament mechanism,___________________ filaments pull ______________ filaments toward the center of the sarcomere.

During polarization,__________________ ions are abundant outside the muscle fiber and _________________ ions are abundant inside.

The more movable attachment of a muscle to a bone is called the ______________________.

A synergist to the gastrocnemius is the ________________________.

The term oxygen debt refers to a lack of oxygen during the process of _____________________________.

The iron-containing protein in muscles is _________________________,and its function is to ___________________________.

The units of contraction within a muscle fiber are called _________________________.

In cell respiration,the waste product produced is ___________________.

Lactic acid is produced in muscles that lack __________________,and it contributes to ____________________.

In muscles,the waste product creatinine comes from __________________________,and is excreted by the _____________________.

The organ system that is moved by muscles is the _______________________ system.

In the neuromuscular junction,cholinesterase is contained within the _________________.

In muscles,oxygen is stored by _________________________.

The organ system that carries carbon dioxide away from contracting muscles is the __________________________ system.

During depolarization of a muscle fiber,there is a __________________ charge outside the membrane and a ____________________ charge inside.

During depolarization of a muscle fiber,_________________ ions rush ____________ the cell.

In the neuromuscular junction,acetylcholine is contained within the _________________________.

In the neuromuscular junction,the _________________________ is the membrane of the muscle fiber.

The muscle on the back of the arm that extends the forearm is the ____________________.

The organ system that ensures adequate oxygen intake for muscles is the _______________ system.