Organs' Energetic Substrates

Question 1

brain

Answer 1

• glucose (obligatory glycolytic)
• ketone bodies

Question 2

red blood cells + retina

Answer 2

• glucose (obligatory glycolytic)

Question 3

adipose

Answer 3

• glucose
• fatty acids

Question 4

skeletal muscle

Answer 4

• glucose
• ketone bodies
• fatty acids
• glycogen
• amino acids (bcaa)

Question 5

intestine

Answer 5

• glucose
• ketone bodies
• amino acids (gln: glutamine)
• other: scfa (from bacteria)

Question 6

kidney

Answer 6

• glucose
• ketone bodies
• fatty acids
• amino acids (gln + NH4)
• lactate (some GNG)

Question 7

liver

Answer 7

(ALL OF THEM)
- glucose
- ketone bodies
- fatty acids
- glycogen
- amino acids (to make fat)
- lactate (–> glucose for brain)
- other: EtOH

Question 8

heart

Answer 8

• glucose
• ketone bodies
• fatty acids
• lactate (when no FA/O2)