11. Which of the following cell types is (are) found in loose (areolar) connecti

Question

11. Which of the following cell types is (are) found in loose (areolar) connective tissue? A. fibroblasts b. macrophages c. mast cells d. plasma cells e. all of the above 12.Which of the following can be best described as a group of flattened sacs usually arranged in a crescent? a. endoplasmic reticulum b. Golgi apparatus c. mitochondria d. ribosome e. nucleolus 13. The organ system involved in the transport of materials throughout the body is the muscular system. a. muscular system b. cardiovascular system c. digestive system. d. urinary system e. endocrine system. 14. Which of the following organ systems has the most influence on controlling and integrating body activities? a. digestive b. lymphatic c. cardiovascular d. respiratory e. nervous 15 The cell is sometimes compared to a factory. If the nucleus is represented by the managers office, what would best represent the cell membrane? a security guard b. the power supply c the packaging department d. the mailroom e. the cleaning crew 16. The membranous network of tubular channels running throughout the cytoplasm is called the a. ribosomes b. plasma membrane. c. lysosomes. d. endoplsmic reticulum. e. Golgi apparatus.

Explanation / Answer

11) All the given options are true because common cell types in connective tissue include mast cells,plasma cells,macrophages,fibroblasts,adipocytes and leucocytes.So all the given options are true.

13) Cardiovascular system is the system which is involved in the transport of materials throughout the body.It transports nutrients,oxygen,water to every billions of cells in the body which helps in active working of the body.

14) Nervous system has high influence in controlling and integrating the activities of the body.I always monitors and regulate the activities of the body.So i think option E is correct answer

15) The cell membranes are also known as security guards because they protect in the form of organelles.So i think option A is correct.

16) It is known as endoplasmic reticulum because it consists of sac like channels in the cells.This is the reason,endoplasmic reticulum is the membraneous network.

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