Biology Questions and Answers
categories). Examples of flat bones are
the skull, thscapulae and the sterne ribs, the hipbones, theum. Examples of (^)
long bones are the humerus, the radius,
the ulna, the femur, the tibia and thefibula.
- What are the types of
muscle tissues? What are the
morphological features that
differentiate those types?
There are three types othe skeletal striated muscle tissue, thf muscle tissue:e
cardiac striated muscle tissue and the
smooth muscle tissue.
The striated muscles present under
microscopic view their fibers (cells) are multinucleate (intransversal stripes and
the skeletal) or may have more than
one nucleus (in smooth muscle dthe cardiac).oes not present The
transversal stripes and it has spindle-
shaped fibers each with onucleus. nly one
- Which is the type of
muscle tissue that moves the
bones?
The bones are moved by the skelstriated muscles. These muscles areetal
voluntary (controlled by volition).
- Which is the type of
muscle tissue that contracts
and relaxes the heart
chambers?
The myocardium cardiac striated mof the heart is mauscle tissue. de of - Which is the type of
muscle tissue that performs
the peristaltic movements of
the intestines?
The smooth mfor the peristalticuscle tissue is responsible movements of the
intestines. The smooth muscles are not
controlled by volition. - Which is the type of
muscle tissue that helps to
push the food down through
the esophagus?
The esophageal wall in its superior
portion muscle. The inferior portion is madis made of skeletal striated (^) e of
smooth muscle. In the intermediate
portion smooth there are skeletal striated amuscles. All of these musclesnd
are important to push the food downtowards the stomach.
- How is the striped pattern
of the striated muscle cells
formed?
The functionalare the sarcomer units oes. Within thf the muscle fe ibers
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