Which of the following areas in a secondary lymphoid organ allows intimate contact between blood and the lymphocytes?

red pulp of the spleen

germinal centers of the lymph nodes

Hassall's corpuscles of the thymus

white pulp of the spleen

How do a bee and human have similar ideas of beauty?

Does the distance from the sun affect seasons? Why or why not?

Which cervical changes are observed during pregnancy? select all that apply?

Which step of the scientific process applies to the following scenario? Rick believes if carbon dioxide levels continue to rise during the next decade, then average global temperatures will also rise in the next decade.

Which of the endocrine glands below are located in the abdomen and are correctly paired with their function?

What happens to glucose inside a cell during cellular respiration? A. The cell uses ATP to break down glucose. B. The cell uses oxygen to break down glucose. C. The cell uses water to break down glucose. D.

The burning of fossil fuels has harmed the environment by

What is a type of research that involves observation and collecting data but does not include control

Forms of the Ras protein found in tumors usually cause which of the following? A) DNA replication to stop B) DNA replication to be hyperactive C) cell-to-cell adhesion to be nonfunctional D) cell division to cease E) growth factor signaling to be

Which property of nervous tissue is fundamental to its function of coordinating the body's activities? O cells that are tightly packed contains extracellular matrix presence of neurons short life span