What Is the Functional Unit of a Skeletal Muscle Called

question 36

Multiple Choice

What is the functional unit of a skeletal muscle called?

• A) a sarcomere
• B) a myofilament
• C) a myofibril
• D) the sarcoplasmic reticulum

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Definitions:

Postpartum Depression

A complex mix of physical, emotional, and behavioral changes that happen in some women after giving birth, characterized by feelings of sadness, emptiness, or hopelessness.

Bipolar Depression

A mental health condition characterized by extreme mood swings including emotional highs (mania or hypomania) and lows (depression).

Couvade

A phenomenon where expectant fathers experience pregnancy symptoms like weight gain, nausea, and mood swings.

Moro Reflex

An involuntary reflex found in newborns, which is triggered by a sudden loss of support or loud sound, causing the baby to fling arms out sideways and then quickly pull them back.