Which characteristics of capillaries cause restriction of blood flow?

high blood pressure

small diameters

thin walls

short lengths

Describe the concept of interval training. what is the benefit of this type of training?

Which word can describe a person's gender identity? a) female b) intersexual c) asexual d) androgynous

What is one technique to a person get proper sleep? eat a heavy meal before bed. exercise intensely before bed. practice relaxation breathing before bed. use electronics before bed.