What body parts can't be seen to all of them?

What is fixed air sign? What does iron and cells and air have in common? How and where ecology is used? What clock direction do anticlonic winds move in the southern hemishphere? Land of pure people is geographical surname of? Are fireworks at a wedding tacky? How does the semi major axis of Halley's orbit compare to the Earth's distance form the sun? What energy and forces are used in the behavior of particles in each state? What is the glandular urethra? What muscle produces extension of the fingers joints and wrist? What is a mixture of solid and liquid which will separate if allowed to stand? What refers to the genotypic condition that must be present for a recessive to be visible? Do most angiosperms self-pollinate? What is failure of homologous chromosomes to separate? Is it true that an Amino functional group is -NH2 but amino acid list it as -NH3 does it matter how many hydrogen atom exists to be a functional group? What is the temperature range of the rocky planets? Does the distance between the earth and the sun remains the same throughout the earths intire orbit? Why did the Church condemn Galileo's astronomical findings? Men are more important than women? Is impact of organisms constructive or destructive?