Q: Q: What carry messages from our sensory organs and others to the central nervous system? A:

OPTIONS:
- fibers
- valves
- blood vessels
- nerves

A: nerves

input: OPTIONS:
- iron
- carbon
- sulfur
- carbon dioxide Now, answer this question: Q: When oxygen is not bound to heme and the partial pressure of oxygen is low, hemoglobin readily binds to what? A:
A:
output: carbon dioxide

Q: The sum of the masses of the atoms in the formula is referred to as what? A:

OPTIONS:
- nucleus mass
- magnetic mass
- atomic mass
- molecular mass

Answer: molecular mass

Problem: OPTIONS:
- pound
- foot
- gallon
- liter
Q: Q: Bromine is much less abundant than fluorine or chlorine, but it is easily recovered from seawater, which contains about 65 mg of br per what? A:
Answer: liter

Problem:OPTIONS:
- endocrine
- synaptic
- dopaminergic
- parasympathetic

Q: Which division of the autonomic nervous system controls processes like digestion, heartbeat, and breathing? A:
****
A: parasympathetic

Problem:OPTIONS:
- cloud cover
- temperature
- fire index
- humidity

Q: What measures the amount of water in the air? A:
****
A:
humidity