Place the following in order as blood flows through the heart:
a. Bicuspud Valve
b. Pulmonary Artery
c. Puloitary Artery
d. Left Ventricle
e. Aorta
f. Right Atrium
g. Pulmonary Semilunar Valve h. Right Ventricle
i. Superior/Inferior Vena Cava j. Tricuspid Valve
1. Pulmonary Vein
m. Aortic Semilunar Valve n. Body
o. Left Atrium
k. Lungs

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

How have high taxes on tobacco products impacted the number of people who use them? a. the number of tobacco users has increased. b. the number of tobacco users has decreased. c. the number of tobacco users has not changed. d. the number of adolescent tobacco users decreased, while the number of adult users increased