Which statement best describes the central nervous system?

A) It senses stimuli and carries out a reaction.

B) It secretes hormones.

C) It is made up of all nerve cells.

D) It is made up of the brain and the spinal cord.

The scientific name for humans in homo sapiens. what genus do humans belong to?

If a roller coaster train has a potential energy of 1,500 J and a kinetic energy of 500 J as it starts to travel downhill, its total energy isJ.

Transnasal, or nasogastric (ng), feeding would be most appropriate for which client? a. an alcoholic with severe acute pancreatitis b. an elderly comatose woman who has had a stroke c.

Why do all objects on the celestial sphere rise in the east and set in the west? (this answer requires much more detail than just, "because the earth rotates.") ?

This is a limiting factor of a population that does not depend on the population density. these factors are usually abiotic factors.

Why do you think phytoplankton are so important to all living things on earth?

The weakness of hydrogen bonds between the bases of DNA allows what?

Which statement is correct? The number of electrons of a neutral atom always equals the number of protons. The number of neutrons always equals the number of protons. The number of neutrons always equals the number of electrons.

How are animal and plant cells similar to a factory?

How can movements of the continents affect earths climate