The medulla oblongata controls .

Read the following statements (A - D) (A) The medulla contains centres, which control respiration, cardiovascular reflexes and gastric secretions. (B) The mid brain receives and integrates visual tactile and auditory inputs. (C) The neural system coordinates and integrates functions metabolic and homeostatic activities of all the organs. (D) A very important part of the forebrain called medulla oblongata controls eating and drinking How many of the above statements are false:

Medulla oblongata has

Read the following statements (i) The cardioinhibitory centre of medulla oblongata is connected with the heart through vagus nerve (ii) Carotid sinus is the chemoreceptor located in the wall of external carotid artery . (iii) The signals from carotid sinus are tramsmitted through Hering's nerve to the glossophyrangeal nerve and then to the medulla oblongata. (iv) Adrenaline has a greater effect on heart activity than nonadrenaline. Which of these are correct ?

Read the statements with regard to frog. Which of the statement(s) is/are correct and incorrect 1. The medulla oblongata passes out through foramen of Monro and continues into spinal cord 2. Vasa efferentia are 10 -12 in number that arise form testes 3. Ovaries have no functional connection with kidneys 4. Frogs are uricotellic

Read the statements regarding frog. Which of the statements is/are correct and incorrect ? (i) The medulla oblongata passes out through foramen of Monoro and continues into the spinal cord (ii) Vasa efferentia are 10-12 in number that arise from the testes (iii) Ovaries have no functional connection with kidneys (iv) Frogs are uricotelic

Injury to the medulla oblongata in humans is not likely to affect:

Give biological reasons for the following : Injury to Medulla oblongata results in death.

Statement I : Rate of breathing is regulated by respiratory centres present in the medulla oblongata. Statement 2 , Changes in the CO_(2) level of the arterial blood control the rate of breathing.

P.Normal activities of the heart are regulated extrinsically i. e auto regulated by specialized muscles. Q. A special neural center in the medulla oblongata can moderate the cardiac function through the autonomic nervous function ( ANS) . R. Parasympathetic mental signals decrease the rate of heartbeat. S. Adrenal medullary hormones increase cardiac output. How many of the given statements are incorrect about the regulation of cardiac activities ?

Select the correct statement regarding spinal cord. 1) it has butterfly shaped gray matter which is present outside white matter 2) It extends from medulla oblongata upto last coccygeal vertebra 3) Its white matter consists chiefly of long, myelinated nerve fibers 4)Dorsal root ganglia contain cell bodies of motor neurons