After a Muscle Cell Contracts,which of the Following Must Occur

question 11

Multiple Choice

After a muscle cell contracts,which of the following must occur for the muscle to stop contracting?

• A)Calcium ions must be pumped back into the endoplasmic reticulum
• B)Calcium ions must be pumped out of the muscle cell
• C)Calcium ions must flow out of the endoplasmic reticulum
• D)Calcium ions must flow into the muscle cell
• E)Calcium ions must flow out of the muscle cell

---

Definitions:

Adolescents

A developmental stage that describes individuals typically between the ages of 10 and 19, characterized by rapid physical, emotional, and intellectual changes.

Lung Efficiency

Refers to the effectiveness with which the lungs exchange oxygen and carbon dioxide with the blood.

Smokers

Individuals who inhale smoke from substances, often tobacco, through cigarettes, pipes, or other devices.

Chronic Traumatic Encephalopathy

A progressive degenerative disease of the brain found in individuals with a history of repetitive brain trauma, often athletes and military veterans.