input: OPTIONS:
- athletes
- acetic acid
- sweating
- Endocrine system
- heat or cold
- Electrical energy
- Veins and arteries.
- sensory neurons Now, answer this question: Fact 1: Hormones are chemical messengers that control many body functions. Fact 2: Hormones are produced and released by the endocrine system . Given the two facts above, which body system releases chemical messengers that control many body functions?
A:
output: Endocrine system

input: OPTIONS:
- smallpox
- cancer
- food deserts
- starvation
- hyperthyroidism
- reproduction
- nutrients
- competition Now, answer this question: Fact 1: Having food has a positive impact on an organism 's health. Fact 2: If the food distribution is stopped, tens of thousands face starvation. Given the two facts above, an organism's health with be negatively impacted by:?
A:
output: starvation

input: OPTIONS:
- parasites
- Acids
- heat or cold
- negative
- antigone
- antibodies
- antigens
- blood cells Now, answer this question: Fact 1: Antigens are molecules that the immune system recognizes as foreign to the body. Fact 2: Yes, foreigners are called Aliens. Given the two facts above, what are molecules that are recognized by the body as alien?
A:
output:
antigens