Horomones im not sure what are the options of answers
I think its thru blood cells im not sure though.
False
Totally incorrect. Some pathogens and microorganisms that is blood-borne can transfer itself from one individual to another by blood and fluid contact. This is a much stronger affinity for the pathogen to spread from the host to the person transferred to.
Individuals should participate in Aerobic exercises to increase cardiovascular endurance. (There's more exercises than just running that can increase your cardiovascular endurance, aerobic is more of a group of activities that do such)
