What keeps food from going down your windpipe

You are out to dinner with your friend. you notice that he only orders food and drink items that are red. you think this behavior is odd, so you ask him why he is only ordering red things. your friend tells you that his dad started the "red diet".

A dark brown/black layer surrounding most of the eye which prevents light scatter within

Most fad diets focus on restricting certain types of foods and nutrients. What do you think would happen if someone ate an extremely low protein diet without the approval of a doctor? What side effects might the person experience?

What does the pacific nw tree octopus eat

A scientist who studies organisms that inhabit the harsh climate of sulfurous hot springs most likely is studying members of which kingdom?

Antiparallel definition

Which two regulatory systems in the body govern the stress responde?

Are Purple loosestrife affecting the lives of humans? If so, how.

What type of cells are produced by mitosis?

The shallow boarder area surrounding major land masses is called?