Which part of the respiratory system is made up of two large organs that exchange carbon dioxide and oxygen?

alveoli

lungs

trachea

diaphragm

Disaster preparedness procedures should include assembling educational and entertainment materials for children. specifying how information will be shared with families. storing one gallon of water for each person. evacuating immediately if it is safe to do so.

Exercise equipment compensates for acting irresponsibly are disregarding the rules of physical activity

When dealing with your guest how you say something is as important as what you say true or false