Single Choice

Select the correct option: Fill up the blanks in the following paragraph by selecting the correct option. The vascular system of frog is well-developed ______ (i) type. The blood vascular system involves heart, blood vessels and blood. Heart has 3 chambers, two atria and one ventricle and is covered by a membrane called ______ (ii). A triangular structure called ______ (iii) joins the right attrium.

A(i)- open; (ii)- conus arteriosus; (iii)- neurilemma
B(i)- closed; (ii)- sinus venosus; (iii)- pericardium
C(i)- open; (ii)- neurilemma; (iii)- conus arteriosus
D(i)- closed ; (ii)- pericardium; (iii)- sinus venosus
Correct Answer

Solution

The vascular system of frog is well-developed (i) 'closed' type. The blood vascular system involves the heart, blood vessels and blood. The heart has 3 chambers, two atria and one ventricle and is covered by a membrane called (ii) 'pericardium'. A triangular structure called (iii) 'sinus venosus' joins the right atrium.
So, the correct answer is '(i)- closed ; (ii)- pericardium; (iii)- sinus venosus'.

SIMILAR QUESTIONS

Anatomy and Morphology of Animals

Frog's heart when taken out of the body continues to beat for sometime. Select the best option from the following statements. (a) Frog is a poikilotherm. (b) Frog does not have any coronary circulation. (c) Heart is "myogenic" in nature. (d) Heart is autoexcitable.

Anatomy and Morphology of Animals

Special Venous connection between liver and intestine and between kidney and intestine is found in Frog. what are they called?

Contact Details