Q: Q: What is the part of the cardiovascular system that carries oxygen-rich blood away from the heart, to the body, and returns oxygen-poor blood back to the heart? A:

OPTIONS:
- peripheral nervous system
- somatic system
- molecular circulation
- systemic circulation

A: systemic circulation

input: OPTIONS:
- light
- ions
- atoms
- particles Now, answer this question: Q: Radioactive decay can give off energy and what else? A:
A:
output: particles

Q: What would cause warm receptors to signal the hypothalamic thermostat? A:

OPTIONS:
- hypothermia
- lower temperature
- hyperventilation
- increased temperature

Answer: increased temperature

Problem: OPTIONS:
- mutant traits
- autolysis traits
- maladaptive traits
- polygenic traits
Q: Q: What human traits are controlled by more than one gene? A:
Answer: polygenic traits

Problem:OPTIONS:
- primary nervous system
- active nervous system
- large nervous system
- central nervous system

Q: The brain and spinal cord are part of what system, which serves as a control center? A:
****
A: central nervous system

Problem:OPTIONS:
- Pancreas
- Thyroid
- Pituitary
- thyroid

Q: What is the name of the relatively large gland in the neck that secretes thyroxin? A:
****
A:
thyroid