Take A Deep Breath Respiratory System Worksheet SYSTEMSD
Deep Breathing Worksheet. Hold the air in your lungs for 4 seconds. Breathe in slowly through your nose for 4 seconds.
Breathe in slowly through your nose for 4 seconds. Hold the air in your lungs for 4 seconds.
Hold the air in your lungs for 4 seconds. Breathe in slowly through your nose for 4 seconds. Hold the air in your lungs for 4 seconds.
