Why do people have swollen lymph nodes when they are sick?
A. Bacteria are stored in the lymph nodes.
B. More white blood cells are being produced
C. Most viruses attack the lymph nodes.
D. Red blood cells stick together during illness.

Mrs. smith ordered a root beer float (vanilla ice cream + root beer). mrs. smith noticed that the three states of matter (solid, liquid, and gas) all existed simultaneously in her root beer float. a. identify each phase of matter in the root beer float. b. describe the particles of all three phases of matter in the root beer float. (how are the particles arranged and moving? ) c. identify one phase change you would see in a root beer float and described what causes this change.

A100-watt light bulb radiates energy at a rate of 100 j/s. (the watt, a unit of power or energy over time, is defined as 1 j/s.) if all of the light emitted has a wavelength of 525 nm , how many photons are emitted per second?

Explain how the integumentary system plays a crucial role in the ability to maintain homeoestasis