The Systems That Work Together to Acquire and Use Energy

question 52

Multiple Choice

The systems that work together to acquire and use energy are

• A)nervous and endocrine.
• B)skeletal and muscular.
• C)digestive,respiratory,and circulatory.
• D)reproductive and integumentary.
• E)urinary and immunE.

---

Definitions:

Metabolic Rate

The rate at which the body uses energy to support its basic functions and activities.

Muscular System

The bodily system comprising all the muscles of the body, responsible for movement.

Ca2+

The chemical symbol for calcium ions, which play critical roles in cellular signaling, muscle contraction, and neurotransmitter release among other physiological functions.

Smooth Muscle Cell

A type of involuntary, non-striated muscle found in the walls of internal organs such as the stomach, intestines, and blood vessels, controlling their movements.