Exam 20: How Animals Move

The ____ of humans is expendable for normal functioning.

The ends of a sarcomere are defined by ____.

Bones store ____, which is important for nerve cell function and muscle contraction.

Synthetic versions of muscle-building hormones are also known as ____ hormones.

Osteoarthritis is more common in older adults due to ____.

The two tendons of the upper portion of the biceps attach to the ____.

Gibbons are able to swing through the trees by their arms thanks to ____ joints.

In a muscle contraction, the sarcomere shortens when ____.

All components of a muscle have ____ orientation, resulting in ____.

In a muscle contraction, calcium ____.

Bone mass typically increases until the approximate age of ____.

The ____ is most like an endoskeleton.