What health benefit occurs immediately after a person quits using tobacco?

Human Immune cells, called macrophages, engulfed bacteria and other foreign material. Is the action of a macrophage an example of endocytosis. -Define endocytosis -Compare endocytosis and active transport

The retina of the eye bends light rays and focuses them. True or False?

Which state of matter has the following physical properties: ~ takes the shape of the container it is in ~ takes the volume of the container it is in ~ low density. Answer is gas

What is an adaptation I'm a rainforest, but not in a tundra

Which of the following does not lay amniotic eggs? a. Marsupials b. Reptiles c. Birds d. Monotremes

How do scientists obtain knowledge about the world? Check all that apply.

What would the temperature of the surface be if the Earth did not have an atmosphere?

How would the lack of water affect cellular respiration?

Different types of normal tissues in the human body have different mitotic indices. From the following list, which normal tissues would you expect to have the highest mitotic index: muscle, skin, kidney, or lung? Explain your answer.

A group of scientists decided to post their research results on the Internet instead of publishing in a scientific journal. What part of the scientific process have they skipped and why does it matter?