True or false? the circulatory system of humans is composed of two loops: the systemic circulation, in which blood flows between the heart and lungs, and the pulmonary circulation, in which blood flows between the heart and the rest of the body.

A person with the early stages of osteoarthritis would experience which of the following problems? A : inflammation of the synovial membrane B : abnormal granulation tissue formation C : secretion of uric acid into the joint D : inflammation of the

What happens when a chlorine atom gains an electron in its outer energy shell?

True or False? Radio telescopes give us information about the birthplace of a star.

When a reaction is at equilibrium, increasing the temperature favors the reaction that releases energy as heat. True or False?

The idea that viruses originated as genetic material that was able to move within a genome, eventually exiting a cell and entering another is the hypothesis. A. regressive B. coevolution C. progressive D. recessive

Which of the following statements is true A you get you acquired traits all your life but once you acquire them they never change B you are born when inherited traits but they change over your lifetime as you learn new things C your inherited traits

What initiates the contraction of cardiac muscle?

1. If the sequence on a DNA molecule was CCTAG, the complementary sequence on the mRNA would be: GGAUC GGUTC GGATC UUATU

Adrienne has a pet mollusk. Lately she noticed that her pet has learned how to escape its tank. What kind of mollusk is Adrienne's pet? What makes you believe this?

What math skill do scientists use