Ques: You are presented with the question "What do muscle contractions give the ability to happen?" and the following answer choices: - heat energy - movement - metriculation - Energy - fallopian tubes - ejaculation - kinetic energy - sperm Now knowing that ejaculation occurs when muscle contractions propel sperm from the epididymes and sperm motility is the ability of the sperm to move, choose the best answer.
Ans: ejaculation

Ques: You are presented with the question "What keeps smoke out of the respiratory system?" and the following answer choices: - Cooking - Masks - Glasses - skin - Gloves - Hats - Urea - oxygen Now knowing that abreathing mask is used for keeping harmful particles from entering the respiratory system and all smoke is harmful to the respiratory system, choose the best answer.
Ans: Masks

Ques: You are presented with the question "What underneath an object will cause thermal expansion?" and the following answer choices: - ice - Gases - LEDs - iron - fire - energy - fan - nothing Now knowing that increasing heat causes thermal expansion and fire heats upwards, choose the best answer.
Ans: fire

Ques: You are presented with the question "The process by which genes are passed is" and the following answer choices: - Most plants - flow of electrons - mitosis - Summer - respiration - mutation - mechanical - reproduction Now knowing that reproduction is the process by which living things give rise to offspring and genes are passed from parent to offspring, choose the best answer.
Ans:
reproduction