Organisms Use Calcium and Carbonate to Make Shells

question 50

Multiple Choice

Organisms use calcium and carbonate to make shells.What is the correct chemical formula for calcium carbonate?

• A)Ca⁺²
• B)CO₃^2-
• C)CO₂
• D)CaCO₃
• E)Ca²CO₃

Define the role of motor neurons and neurotransmitters in muscle activation.

Recognize the symptoms and causes of neurological diseases like ALS and Myasthenia Gravis.

Understand the principles of electrical measurement in neuroscience.

Explain the basis and significance of the resting potential and action potential in neurons.

---

Definitions:

Armpit

The area beneath the junction of the arm and shoulder, known for containing sweat glands.

Palpatory Method

A technique used in physical examination where the practitioner uses their hands to feel the body's surfaces and organs to detect abnormalities, temperature, texture, and other characteristics.

Systolic Blood Pressure

The maximum arterial blood pressure during one heart beat, measured in millimeters of mercury (mmHg), and indicative of the force your heart exerts on the walls of your arteries when it beats.

Respirations

The process of inhaling and exhaling air to facilitate gas exchange within the body's respiratory system.