Answer:
B) Valves closing
Explanation:
A healthy heart makes a lub-dub sound with each beat. This sound comes from the valves shutting on the blood inside the heart. The first sound (the lub) happens when the mitral and tricuspid valves close.
Answer: C. Citric acid cycle
The citric acid cycle is the energy pathway in which the acetyl portion of acetyl CoA is degraded, releasing the coenzyme A portion.
Explanation:
Answer:
Then guide both groups of students to identify ways to change the culture in their class or school to get beyond appearance as a dominant force in the way they relate to one another. List the ideas on an easel pad or white board. Invite students to create a plan to put the ideas into action.
Explanation:
