Human body systems are made up of organs that work together to perform specie functions. The circulatory system and the respiratory system have one organ in
common. Which organ is common to both systems?
(A)arteries (B)large intestines (C)stomach (D)heart

1. key concept list themajor biomes, and give onecharacteristic feature of each.

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Four different thermometers were used to measure the temperature of a sample of pure boiling water. the measurements are recorded in the table below. thermometer temperature reading 1 temperature reading 2 temperature reading 3 w 100.1°c 99.9°c 96.9°c x 100.4°c 102.3°c 101.4°c y 90.0°c 95.2°c 98.6°c z 90.8°c 90.6°c 90.7°c the actual boiling point of pure water is 100.0°c. what can be concluded from the data about the reliability and validity of the thermometers?