Gaudete Study Center Inc.1st Monthly Test

Science 6T. Justine

Name: ___________________________________ Date:___________

I. A. Multiple choice: Read each item carefully and write only letter of the best answer on the blank before each number.

_______1. what is the circulatory system?a. the body system of nervesb. the body’s breathing processing systemd. the body’s food processing systemd. the body’s blood transporting system_______2. it is responsible for the distribution of blood throughout the bodya. circulatory systemb. endocrine systemc. skeletal systemd. respiratory system_______3. the circulatory system has 3 distinct parts from the choices below identify which is NOT.a. pulmonary circulationb. coronary circulationc. systemic circulationd. blood vessels_______4. it is the pumping organ of the circulatory system and is located at the center of your chest, slightly tilted to the left.a. heartb. lungsc. braind. organ_______5. which organ is not included to the 4 chambers of the heart.a. atriab. left atriumc. ventriclesd. aorta_______6. at rest, the average heartbeat per minute of a human being is __.a. 60 – 100x b. 200 – 400xc. 10 – 60x d. 500 – 550x_______7. the rhythmic stretching of the artery. It is caused by the pressure of the blood within as the ventricles contract.a. pulse_ b. rhymec. diastole d. systole_______8. the second sound produced by the vibration of the valves within the blood vessels connected to the hearta. dub__ b. lubc. rhyme d. pulse

_______9. overlapping layers of the tissue that allow blood to flow in only one directiona. valves b. atriac. atrium d. ventricles_______10. this is the first sound produced by the vibration of the ventricles when they contract.a. lub___ b. dubc. rhyme d. pulse_______11. responsible for receiving used blood coming from all parts of the body.a. atria_ b. valvesc. ventricles d. node_______12. liquid medium that is constantly flowing throughout the body. It is referred as the ‘river of life’a. red blood cellsb. white blood cellsc. bloodd. plasma_______13. what kind of blood comprises 55% of the blood volume in our body?a. plasma c. plateletsb. red blood cells d. white blood cells_______14. other scientific term called for red blood cells.a. erythrocytes b. haemoglobinc. white blood cells d. platelets_______15. this is the pigment that makes red blood cells color red.a. plasma c. hemoglobinb. clot__ d. leucocytes_______16. other scientific term called for white blood cells.a. leucocytes b. thrombocytesc. haemoglobin d. clot_______17. average life span of an erythrocyte is only__.a. 120 days b. 20 daysc. 1 minute d. 100 days_______18. smallest of the formed components of the blood.a. platelets b. white blood c. thrombocytes d. red blood cells_______19. which is NOT a component of blood.a. red blood cell b. white blood cellc. platelets d. oxygen

_______20. it is clear yellowish fluid which makes up the rest of the blood’s volume and is made in the liver.a. plasma b. plateletsc. red blood cells d. none_______21. the following choices below re varieties of white blood cells identify which is not.a. neutrophils b. eosinophilsc. basophils d. ions_______22. blood vessels that carry oxygen-rich blood away from the heart.a. arteries b. capillariesc. heart_ d. veins_______23. are thin – walled and loose vessels they carry oxygen – poor blood back to the heart and the blood that flows to it contains carbon dioxide.a. arteries c. capillariesb. veins_ d. aorta_______24. the smallest vein is called__.a. venules b. vena cavab. veins_ d. aorta_______25. smallest blood vessels. They are so thin that blood cells pass through them in a single pile.a. venules c. capillariesb. veins_ d. aorta_______26. the largest artery is called___.a. aorta_ c. arteriesb. arterioles d. veins_______27. movement of deoxygenated blood from the heart and into the lungs.a. pulmonary circulationb. systemic circulationc. coronary circulationd. life cycle_______28. a type of vena cava that collects blood from the head and neck region.a. superior vena cavab. inferior vena cavac. lungsd. heart_______29. the path of blood from the arteries to the digestive parts then returning to the heart is called. a. portal circulationb. renal circulationc. coronary circulationd. systemic circulation_______30. this type of special circuit where the path of blood flows through the capillaries, to the kidney, where water and wastes are removed is called__.a. portal circulationb. renal circulationc. coronary circulationd. systemic circulation

I. B. Branches of Science_______31. deals with the study of living things. It encompasses all the various aspects like structure and function of the various organs, morphology, physiology, taxonomy, etc.a. biology c. astronomyb. seismology d. geology_______32. deals with the study of matter and energy including light, sound, electricity, motion, etc.a. physics c. chemistryb. geology d. astronomy_______33. celestial bodies, stars, comets, solar system; fall under what type of earth science?a. astronomy c. geologyb. paleontology d. physics_______34. study of earthquakesa. seismology c. physicsb. astronomy d. chemistry_______35. study of plants.a. physics c. biologyb. astronomy d. botany_______36. deals with the study of genetic makeup of living organisms.a. genetics c. paleontologyb. physics d. astronomy_______37. deals with the study of animals- their form and structure.a. geology c. astronomyb. zoology d. physics_______38. which branch of science deos not belong to the group.a. chemistry c. zoologyb. biology d. botany_______39. subdivision of science deals with the study of non living matter. Chemistry and Physics fall under this category.a. Earth sciences c. Life Sciencesb. Physical sciences d. Science_______40. study of atmosphere that focus on weather processes and forecasting.a. astronomy c. geologyb. seismology d. none of the above

AortaInferior vena cavaSuperior vena cava

Left atriumLeft ventricle

Right ventricleRight atrium

II. Label the major parts of the heart by writing the correct word/s on the designated box. Answers can be found inside the box at the right side.

III. Arrange the branches of science according to its classification by putting it in the proper column that it corresponds.

Chemistry Physics Geology Botany Zoology Seismology Meteorology Paleontology Biology Genetics

Physical Science Earth Science Life Science

III. Discuss briefly (5 points)

Why blood is being referred as the ‘river of life’?____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________