brandonromero19
brandonromero19 brandonromero19
  • 02-05-2018
  • Health
contestada

_____ are vessels with valves that keep blood flowing in the right direction

Respuesta :

alkhalidisara
alkhalidisara alkhalidisara
  • 02-05-2018
Veins have valves to make sure that blood flows in only one direction.
Answer Link
krystieee3 krystieee3
  • 02-05-2018
the aorta and the pulmonary artery.
Answer Link

Otras preguntas

Look at the graph below. What is the slope of the line? a) 5 b) 1/5 c) -5 d) -1/5
A species is a group of organisms that _____.
Why do you think that relatively few fetuses with chromosomal trisomies survive to birth?
which is not an attraction in Peru
a.) does amylase break down starch? b.) do acidic conditions deactivate amylase c.) how is stomach acid neutralized in the small intestine
What are the two types of checking account fees that banks charge?
8. Alcohol is a central nervous system __________. A. stimulant B. depressant C. barbiturate D. B and C
Which has a greater capacity 7/8 of a cup or 2/8 of a gallon
what is the best description of the bonus army
The __________ principle states that the social relations of work find expression in the social relations of the school.