Cardiocytes Flashcards
1
Q
What are the main characteristics of cardiocytes? (5 answers)
A
Striated
Branched
1-2 nuclei surrounded by glucose
Many mitochondria
Intercalated discs (gap junctions)
2
Q
What system does the cardiac muscle friend on for energy (and what’s it’s formula)?
A
Aerobic respiration
Oxygen + fuel = energy
3
Q
What is cardiac muscle rich in
A
Myoglobin (sorted oxygen)
Glycogen (stored glucose)
4
Q
What are the 3 main types of organic fuels for cardiocytes? Bonus: what are their percentages?
A
Fatty Acids (60%)
Glucose (35%)
Amino Acids (5%)
5
Q
What is functional syncytium?
A
The myocardiums ability to act as a single coordinated unit (due to gap junctions allowing ion to flow)
