Ques: Q: The neck of the uterus, called the cervix, opens into what? Choices: - bladder - testicle - retina - vagina A:
Ans: vagina

Ques: Q: Which disease afflicts children who don't get enough calcium during their bone formation stage? Choices: - sids - rabies - cancer - rickets A:
Ans: rickets

Ques: Q: What are colonies of cells stuck to a surface called? Choices: - membranes - cellular coating - membranes - biofilms A:
Ans: biofilms

Ques: Q: In physics, what do you call devices that make work easier? Choices: - circuits - levers - tools - machines A:
Ans:
machines