How many organ systems are found in the human body?

Me with these questions if you’re it sure don’t answer

Which of the following is the sl unit used to measure temperature a. kilogram b. liter c. meter d. kelvin

Conclusion: m∠spt + m∠tpu = 90° which of the statements supports the conclusion from the diagram and the given information. vertical angles are equal in measure. perpendicular lines meet to form right angles. adjacent angles whose exterior sides are perpendicular rays are complementary. adjacent angles whose exterior sides are perpendicular rays are supplementary.