The Internal Urinary Sphincter Is

question 279

Multiple Choice

The internal urinary sphincter is:

• A)made of striated muscle
• B)contracted most of the time
• C)both A and B
• D)both A and B, and it is involuntary

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Definitions:

Extraembryonic Membranes

Membranes that develop outside of the embryo in amniotes, providing protection, nutrition, gas exchange, and waste elimination.

Synapsis

The pairing of two homologous chromosomes that occurs during meiosis, allowing for genetic recombination.

Primary Germ Layers

The three initial layers of cells (ectoderm, mesoderm, and endoderm) in the early embryo from which all bodily tissues and organs develop.

Digestive Organs

Organs involved in the digestion process, including the mouth, esophagus, stomach, liver, gallbladder, pancreas, intestines, rectum, and anus.