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During anaerobic respiration, the oxidation of glucose is incomplete. The reaction therefore releases much less energy – around a nineteenth of the energy released during aerobic respiration.

Aerobic: Anaerobic: Presence of oxygen: Present. Absent or in short supply. Oxidation of glucose: Complete: Incomplete. The products of respiration still contain energy.

Your respiration and heart rate differ in aerobic activities versus anaerobic ones. Oxygen is your main energy source during aerobic workouts. You’re also using the energy from fat and glucose.

During anaerobic exercise, you burn calories and improve your cardiovascular health, just like during aerobic exercise. While the biggest benefit of anaerobic exercise is creating muscle mass ...

More information: Lisa M. Keller et al, Simultaneous aerobic and anaerobic respiration in hot spring chemolithotrophic bacteria, Nature Communications (2025). DOI: 10.1038/s41467-025-56418-4.

Aerobic exercises increase a person’s heart rate and breathing rate over a sustained period. Anaerobic exercises involve short, intense bursts of activity.

The Aerobic Benefits the Anaerobic There’s no doubt that when we’re called to mitigate an emergency, we tax our bodies and very possibly exceed our aerobic capacity and operate in the ...

Conversely, anaerobic training, which focuses on power and strength, can enhance the body's ability to generate force, leading to improved performance in both aerobic and anaerobic activities.