Q: Q: Air flows into the lungs largely due to a difference in what? A:

OPTIONS:
- gravity
- resistance
- thrust
- pressure

A: pressure

input: OPTIONS:
- saliva
- urine
- blood
- sperm Now, answer this question: Q: What is released from the body during ejaculation? A:
A:
output: sperm

Q: What the name of the disease where some of the alveoli of the lungs fill with fluid so they can no longer exchange gas? A:

OPTIONS:
- leukemia
- lung cancer
- emphysema
- pneumonia

Answer: pneumonia

Problem: OPTIONS:
- cells
- minerals
- acids
- proteins
Q: Q: Ion pumps, the biological machines responsible for the selective transport of metal ions, are complex assemblies of what? A:
Answer: proteins

Problem:OPTIONS:
- machinery
- batteries
- mechanical energy
- electricity

Q: What does a solar power plant turn sunlight into? A:
****
A: electricity

Problem:OPTIONS:
- prostate
- urethra
- kidney
- urinary bladder

Q: What is the hollow and muscular balloon-shaped organ that collects urine? A:
****
A:
urinary bladder