26 UNIT 2 1 Introduction to the Organ Systems 2. Complete each of the following

Question

26 UNIT 2 1 Introduction to the Organ Systems 2. Complete each of the following statements with an accurate directional term . The thymus isSueto the thyroid gland. b. The pituitary gland is media, c. The liver is kiito the gallbladder d. The sternum is ger Sau to the heart . The esophagus is nesiar to the trachea to the brain B. In which abdominopelvic region is each of the following organs predominantly found hpoekY'sb urinary bladder d. stomach e. right kidney Activity 3: Studying Homeostasis and Organ System Interactions Distinguish between a negative feedback mechanism and a positive feedback mechanism. 2. Does the patellar reflex involve a negative feedback mechanism or a positive feedback mechanism? 3. In the patellar reflex: a. Which component serves as the receptor? b. Which component serves as the control center? . Which component serves as the effector Describe one way in which each of the following organ systems contributes to the patellar reflex: a nervous 4. c muscular d. skeletal

Explanation / Answer

Answer 2

The patellar reflex has a negative feedback loop because the knee wants to return to its natural position or state, in which it was in, before the extraneous force which acted upon it, caused the loss of the initial position.

Answer 3)

Patellar reflex receptor is patellar tendon

Control center is L3 segment of spinal cord

Effector is quadriceps femoris muscle

Answer 4)

Nervous system provides the negative feedback mechanism

Cardiovascular

Muscular system has muscles on which the effect of the reflex is seen.

Skeletal system has muscles attached to it helping in movement.

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