What happens in the red blood cells in the lungs?
hemoglobin drops off oxygen and picks up carbon dioxide.
hemoglobin drops off carbon dioxide and picks up oxygen.
hemoglobin picks up both carbon dioxide and oxygen.
hemoglobin drops off both carbon dioxide and oxygen.

What are the environmental issues caused by greenhouse gases in china

Over-encouraging lesser skilled players can lead to embarrassment. select the best answer from the choices provided. t f

Describe a plan for personal wellness. include in your plan how you can prevent disease and access health care and medical services at different stages of life. make sure your plan is adaptable to changing health needs based on genetics, family history, and personal health behaviors. (10 points)