Muscle Cells Flashcard, 7th Grade

Front

What are the three types of muscle cells?

Back

Skeletal muscle cells, cardiac muscle cells, and smooth muscle cells.

Front

What is the sequence of events when you decide to move your arm?

Back

1. You decide you want to move your arm (C). 2. An impulse travels along a nerve (B). 3. Your arm moves (A).

Front

Which type of muscle cell is striated, has one nucleus, and contains intercalated disks?

Back

Cardiac muscle cells.

Front

What type of muscle cells are not striated, involuntary, and have one nucleus per cell?

Back

Smooth muscle cells.

Front

What connects cardiac muscle fibers?

Back

Intercalated discs.

Front

What is the primary function of skeletal muscle cells?

Back

To facilitate voluntary movements of the body.

Front

How do cardiac muscle cells differ from skeletal muscle cells?

Back

Cardiac muscle cells are involuntary, striated, and have intercalated discs, while skeletal muscle cells are voluntary and do not have intercalated discs.

Front

What is the role of smooth muscle cells in the body?

Back

To control involuntary movements in organs such as the intestines and blood vessels.

Front

What is the definition of striated muscle?

Back

Muscle tissue that has a banded appearance due to the arrangement of muscle fibers, found in skeletal and cardiac muscles.

Front

What type of muscle is responsible for pumping blood throughout the body?

Back

Cardiac muscle.