1. Which system of the human body is responsiblefor producing hormones?
Respiratory
Circulatory
Lymphatic
Endocrine
2. Which of the following staement is incorrect:
a) a cell moves particles from a region of lesserconcentratioin to a region of greater concentration bydiffusion.
b) if a blood cell is placed in a srong salt water solution,water will leave the cell by osmosis.
c) water moves into an animal cell placed in a hypotomicsolution causing it to burst.
d) water moves into and out of cell at an equal rate palced inan isotonic solution.