Q: Which area of the human heart pumps the blood to the right ventricle? Choices: - left atrium - true atrium - left ventricle - right atrium A:
right atrium

Q: The three long muscles on the back of the knee are part of which group? Choices: - synovial joint - patella - adductors - hamstring group A:
hamstring group

Q: Q: What is the term for the movement of molecules from an area of high concentration to an area of low concentration? Choices: - concentration - Osmosis - passive transport - diffusion A:
A: diffusion

Question: Q: What facilitates the diffusion of ions across a membrane? Choices: - photon channels - ionic bonds - passive transport - ion channels A:
Answer: ion channels

*Question*
Q: Liquid hcl can be used to do what to the ph of a swimming pool? Choices: - increase it - raise it - heighten it - lower it A:
**Answer**
lower it

Q: Q: What do we call heated groundwater that erupts from the ground under pressure? Choices: - aquifers - spas - volcanic eruptions - springs or geysers A:
A: springs or geysers