Fact 1: Abreathing mask is used for keeping harmful particles from entering the respiratory system. Fact 2: Another respiratory defense is the immune system. Given the two facts above, the what is a defense against harmful particles from entering the body?
OPTIONS:
- lungs
- It remains dormant
- A virus
- immune system
- exoskeleton
- pancreas
- chickenpox
- liver
immune system
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Fact 1: Evolution occurs by a process called natural selection. Fact 2: Adaptation and natural selection are discussed. Given the two facts above, how does evolution occur?
OPTIONS:
- Plants growth
- by adaptation
- vitalism
- Plant reproduction
- theistic evolution
- competition
- orthogenesis
- mechanical
by adaptation
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Fact 1: Constriction occurs when the muscular walls of blood vessels contract. Fact 2: Muscle spasms are involuntary contractions of a muscle. Given the two facts above, what can muscle spasms cause?
OPTIONS:
- massive damage
- matter vibrating
- constriction
- friction
- Dehydration
- ketosis
- stretching
- photosynthesis
constriction
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Fact 1: An electron microscope is used for seeing very small objects by making them appear bigger. Fact 2: Microscopes that use electrons rather than light are called electron microscopes. Given the two facts above, how can you see objects and make them appear bigger?
OPTIONS:
- tectonic plates being pushed together
- To avoid death
- converting electricity to heat
- electrons rather than light
- refraction of light
- ability to sense light
- It gets more light
- a hemisphere is tilted away from the sun
electrons rather than light
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