Smooth Muscles Relax When Intracellular Ca²⁺ levels Drop but May

question 84

True/False

Smooth muscles relax when intracellular Ca²⁺ levels drop but may not cease contractions.

---

Definitions:

Granulosa Cells

Cells that surround developing eggs in the ovary and secrete hormones important for egg maturation and the menstrual cycle.

Telolecithal Eggs

Eggs containing a large amount of yolk concentrated at one pole, common in birds, reptiles, and some fish.

Notochord

A flexible rod-like structure that forms the main support of the body in all embryonic and some adult chordate animals.

Neural Plate

A key embryonic structure that develops into the nervous system, including the brain and spinal cord.