
Unit 1 test- Shehan/Lynn Bio Loop
Quiz by Jennifer Lynn
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10 questions
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- Q1Living things change during their lives throughmaking responsesgrowth and developmentreproductionadaptation and organization60s
- Q2Which of the following levels of organization best represents the sequence from smallest to largest?cell → tissue → organ → organ systemcell → organism → organ → tissuecell → organism → tissue → organ systemcell → tissue → organism → organ60s
- Q3The process of diffusion allows oxygen to move from the lungs into the blood. This process occurs due toThe lungs eliminate carbon dioxide molecules from the body but do not take in oxygen molecules for cells of the body to use.The lungs take in oxygen molecules for cells of the body to use but do not eliminate carbon dioxide molecules from the bodyThe lungs neither take in oxygen molecules for cells of the body to use nor eliminate carbon dioxide molecules from the body.The lungs both take in oxygen molecules for cells of the body to use and eliminate carbon dioxide molecules from the body.60s
- Q4The diffusion of gases from the lungs into the bloodstream occurs in the:arteriesheartveinscapillaries60s
- Q5Referring to the figure, why is blood pumped from the heart to the lungs?To enrich it with carbon dioxideTo enrich it with oxygenTo enrich it with waterTo enrich it with blood cell60s
- Q6Referring to the figure, how would the diaphragm change in order to inhale?Relax and go lowerContract and go lowerContract and go higherRelax and go higher60s
- Q7What ensures a one direction flow of blood throughout the body?Continuous outflow of plasma from capillariesConstant pressure generated by the heart contractionsSqueezing actions of smooth muscle tissue in the arteriesValves within the heart that prevent backflow of blood60s
- Q8The trachea splits into two tubes called the _____________ before reaching the lungs.AlveoliBronchiLarynxEsophagus60s
- Q9A student is developing a model of the human circulatory system. Which sequence of blood flow should the model show?left side of heart → lungs → all other body systems → right side of heartleft side of heart → all body systems → right side of heartright side of heart → lungs → left side of heart → all body systems except the lungsright side of heart → all body systems → left side of heart60s
- Q10A person measures the levels of carbon dioxide and oxygen in the blood before and after the blood passes through the lungs. Which of the pairs of graphs shows the changes in carbon dioxide and the changes in oxygen in the blood before and after passing through blood vessels in the lungs?BCDA60s