input with options: Q: Which part of the brain secretes hormones that tell the pituitary gland either to secrete or to stop secreting its hormones? A:
OPTIONS:
- cerebrum
- hippocampus
- thalamus
- hypothalamus
output: hypothalamus

Q: Q: What is used to describe gas concentrations of a solution? A:

OPTIONS:
- fixation fractions
- mesh fractions
- atom fractions
- mole fractions

A: mole fractions

input: OPTIONS:
- Inner electrons
- shell electrons
- Proper electrons
- valence electrons Now, answer this question: Q: What do you call the electrons in the outermost energy level of an atom? A:
A:
output: valence electrons

Q: Red blood cells don't have a nucleus. this allows them to do what? A:

OPTIONS:
- be redder
- move faster
- heal faster
- carry more oxygen

Answer: carry more oxygen

Problem: OPTIONS:
- atom number
- volume number
- formation number
- mass number
Q: Q: The total number of protons and neutorns in an atom is called what? A:
Answer: mass number

Q: Hypersensitivity may refer to a maladaptive response of what system toward a harmless foreign substance? A:

OPTIONS:
- oxygen
- brain
- System
- immune

Answer:
immune