Which blood vessel takes blood from the heart and sends it to the lungs

Select the correct answer from each drop-down menu. in an experiment, dr. travis examined the effects of calcium intake on osteoporosis, a condition that causes an increased risk of bone fractures. the amount of calcium is variable. the risk of bone fractures .

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these