Adult is 30 chest compression to 2 breaths. For child its 15 chest compression to 2 breaths. For infants its the same as a child but don't use your hand its only two fingers or thumbs
Prolonged and constant use of tobacco can weaken the user's immune
system and increase the risk of many diseases.. . Which of the following
diseases can makes the air sac in the lungs less elastic, reducing their ability to absorb oxygen?.
B.emphysema.
Answer:
umm cat camel maybe hahah
Answer:
Mainly immune system is made up of whit blood cells. But other compositors are -
- Antibodies
- Complement system
- Lymphatic system
- Bone marrow
- Thymus
Hope it helps!!