What Ion Needs to Be Released from an Endoplasmic Reticulum

question 90

Multiple Choice

What ion needs to be released from an endoplasmic reticulum in order for muscles to contract?

• A) sodium
• B) calcium
• C) phosphorous
• D) oxygen
• E) nitrogen

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Definitions:

Peritubular Capillaries

Tiny blood vessels that travel alongside nephrons allowing reabsorption and secretion between blood and the inner lumen of the nephron.

Bowman's Capsule

A structure in the kidneys that encases the glomerulus and is involved in the filtration process of blood to form urine.

Glomerulus

A network of capillaries located at the beginning of a nephron in the kidney, crucial for the filtration of blood to form urine.

Nephron

The basic structural and functional unit of the kidney, responsible for filtering blood and producing urine.