What is the state of the heart during systole?

a. filling with blood

b. suffering an attack

c. contracting

d. at rest?

Why do the number of subatomic particles determines the properties/characteristics of an element?

How do autotrophs and heterotrophs benefit one another within an ecosystem? A. Autotrophs produce oxygen and carbon dioxide for heterotrophs, which produce chemical energy for autotrophs. B.

How often does the body perform cellular respiration? once in the morning and once at night only at night continuously only when the body runs out of ATP

A client sustains a vertebral fracture at the t1 level and is admitted to the emergency department. during a detailed neurologic assessment, the nurse expects to identify which clinical manifestation?

What law best explains why we would expect 75% of the offspring to have large teeth

What is the second step of the scientific method

A structure on a cell that binds with something, like a hormone is called a (n) A. catalyst B. protein C. receptor D. axon

Which statement is true? A. Lipids are a type of fat. B. Fats are a type of lipid. C. Fats and lipids are separate and unrelated substances. D. All lipids are fats, and all fats are lipids.

What is the difference between a car and a human being?

In a hypotonic solution, an animal cell will?