What does the hemoglobin in red blood cells do to the circulatory system

Which of these gives the best indication that a health service is based on pseudoscience? a. the service is not controversial and is supervised by medical professionals. b. the service has been extensively researched,has a high success rate,and is expensive c. the service is inexpensive, is based on research, and has been around for a long time d. the service has not been researched and is expensive

What kind of food might this nutrition label describing? how did you come to that conclusion is the number of calories per serving low high or moderate?

Can someone check my answer 1.) at approximately what age does nerve conduction achieve maximum capacity? a. 5 (my guess) b. 10 c. 20 d. 30 2.) insulin is to glucagon as a. wet is to dry (my guess) b. walking is to running c. morning is to afternoon d. a key is to lock 8.) a neuron fiber that sends a signal from your hand to your brain is called a a. axon b. cell body c. mitochondrion d. dendrite (my guess) will give brainliest i'm deciding between two with each question, so if you could be original i would appreciate it. also, if you know the rest tell me so i can check my answers (i will make another post and give you 50 points)