Heather damaged cartilage in her joint while exercising. She learned that she will have to wait a few months before returning to physical activity. Discuss why you think cartilage, in general, is slow to heal based on your knowledge of cartilage structure.

List the four quadrants and nine regions of the abdominopelvic cavity.

Sophie is working in the lab with a chemical with the formula C12H24O12. With what type of organic molecule does she work? Discuss how you came to your conclusion.

Explain how to determine the atomic number and mass number for an atom.

What function do intercalated discs serve in cardiac muscle tissue?

An atom with an atomic number of 13 has satisfied the octet rule and is inert.

Gel-like ground substance is the major component of the extracellular matrix (ECM).

Describe the three types of protein fibers common to the extracellular matrix of tissues.

Consider some weak acid HX (aq) → H+ (aq) + X- (aq) where Ka = 2.0 x 10-4. Calculate the pH of a 0.100 M solution.

Consider the reaction: 4 HCl(g) + O2(g) ↔2 H2O(g) + 2 Cl2(g), given the following equations and H values, determine ∆H° for the reaction using Hess’s law H2(g) + Cl2(g) ↔ 2 HCl(g) ∆H = -185 kJ 2 H2(g) + O2(g)  ↔2 H2O(g)      ∆H = -484 kJ