The pulmonary circuit and the circuit make up the circulatory pathways of blood vessels for the body.
a. blood b. systemic c. capillary d. flexible i go with b.

Increasing the intensity of an exteriors will increase the strength of a muscle true or false

Would you rather know how you die or when you die.i want a pretty good answer that makes sense.or ill report you.lol kidding

How is health different for most people in this country today from what it was for people born in 1900? a. people have a shorter life span. b. people today work harder to survive. c. people today live in poorer sanitary conditions. d. people today can focus less on day-to-day survival and more quality of life.