0205 Fall 2017 Lobo 7. A group of two or more tissues having a specific function
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Question
0205 Fall 2017 Lobo 7. A group of two or more tissues having a specific function is a/an a. organelle b. organism c. organ system d. organ e. all of the above 8. Which of the following organ systems includes the kidney? a. circulatory system b. reproductive system c. urinary system d. digestive system e· lymphatic system 9. Eggs and sperm are produced from "parent cells" by the process of a. mitosis b. meiosis c cleavage d. gastrulation e. zygote formation 10. If a cut is on the shin (between the knee and ankle) it is a. distal to the lateral malleolus b. proximal to the foot c. distal to the foot d: proximal to the patella e distal to the phalanges 11. The heart develops from which embryonic germ layer? a. mesoderm b. mesenchyme c. endoderm d. ectoderm e. hypoderm 12. Which of the following is a sub-unit or part of the ventral (anterior) cavity? a. brain b. cranial cavity c. spinal cord d. pelvic cavity e. none of the aboveExplanation / Answer
7.d Tissues combine to form organs. An organ is a part of the body which performs a definite function.
8.c.The urinary system, also known as the renal system, consists of the kidneys, ureters, bladder, and the urethra. Each kidney consists of millions of functional units called nephrons.
9.b.Meiosis is a type of cell division that reduces the number of chromosomes in the parent cell by half and produces four gamete cells. This process is required to produce egg and sperm cells for sexual reproduction.
11.a. Heart along with urinary system is formed by embryonic mesoderm.
12.d.The ventral cavity includes the thoracic and abdominopelvic cavities and their subdivisions.
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