Which of the following structures is responsible for regulating body temperature?
a. hypothalamus
b. medulla oblongata
c. cerebrum
d. cerebellum

Because of its structure the cell membrane is known as a phospholipid ? a.bilayer b.molecule c.fluid d.barrier

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

During an experiment, readings for blood pressure in a persons body were found to be constant . however , when he measured by a different blood pressure cuff , the readings differed by 15 points for each reading. this difference indicates that the results are