3. What is the function of the cranium in vertebrates? - allows humans to communicate by moving their jaw
- protects important parts of the circulatory system
- acts as part of the network of nerves
- protects a well-developed brain

Blood made up of red and white blood cells work together to form

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.