Exam 43: Muscles, Bones, and Body Movements

Skeletal muscles are made up of bundles of elongated, cylindrical cells called ____.

The sliding filament model of muscle contraction depends on the dynamic interactions between myostatin and myoglobin proteins.

The ____ joints, found in the vertebrae and some rib bones, have fibrous connective tissue covering the ends of the bones involved and are somewhat moveable.

How is movement in vertebrates analogous to the movement of a lever?

The ____ muscles are an example of an antagonist muscle pair in humans.

Clostridium botulinum produces a deadly toxin that stops muscle contractions by ____.

Exercising a muscle results in ____.

What is the difference between red and yellow marrow?

How are the muscle attachments optimized in animals evolved for movement through the soil?

The ____ is a system of vesicles that wraps around each A band and I band.

Skeletal muscle H zones are composed of ____.

A typical human body has ____ skeletal muscles.

A promising means of improving conditions for patients with type-2 diabetes may be ____.

A defect in the transport of ____ ions would have the most direct effect on muscle contraction.

The mechanism of muscle contraction was first studied in ____ muscle using high-resolution ____ microscopy.

Vertebrates such as ____ have both exo- and endoskeletons.

Figure 43.3 -Answer the question using the accompanying figure. Neurotransmitters and ____ are key components in the pathway for stimulating skeletal muscle contractions.

The A bands in skeletal muscle are composed of ____.

In skeletal muscle contraction, ____ directly fuels the movement of the myosin head.

A muscle contraction during which fibers cannot relax between stimuli is called ____.