The 'filtering factories' of the excretory system are called ___.

a. rectum.

b. alveoli.

c. nephrons.

d. bronchi.

Which of the following is a suffix 1:re 2:sing 3:tion 4:gp

The secretion of most hormone is controlled by a positive feedback system. a. True b. False

In what forms do we find most of the water that is present on mars? A.) in ice caps and as underground permafrost B.) as flowing water on the surface of the planet C.) in the atmosphere and flowing along canyons D.

What are the stages of meiosis?

Infectious agents such as: A. viruses always have a protein coat and a nucleic acid (DNA or RNA) B. bacteria usually are intracellular (found inside of cells) C. prions are easy to treat because they are denatured proteins D.

During photosynthesis, the energy from sunlight is used to split water molecules. What happens to the hydrogen ions that are split from the water molecules?

Which part of a scientific argument must be supported by valid data

What is used as evidence for continental drift

Ocean floor rocks are. Continental rocks

The emergency nurse is providing care for a pregnant woman admitted with a broken femur, blackened eye, and multiple contusions. she admits her partner is abusive. which activity would be considered at the tertiary level of prevention