Home
Class 12
BIOLOGY
Given below are four statements (a-d) re...

Given below are four statements (a-d) regarding human blood circulatory system
(i) Arteries are thick-walled and have narrow lumen as compared to veins
(ii) Angina is acute chest pain when the blood circulation to the brain is reduced
(iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system
(iv) Calcium ions play a very important role in blood clotting
Which two of the above statements are correct?

A

(i) & (iv)

B

(i) & (ii)

C

(ii) & (iii)

D

(iii) & (iv)

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Given below are four statements (i-iv) regarding human blood circulatory system (i) Arteries are thick-walled and have narrow lumen as compared to veins (ii) Angina is acute chest pain when the blood circulation to the brain is reduced (iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system (iv) Calcium ions play a very important role in blood clotting Which two of the above statements are correct ?

____ play an important role in blood clotting

What is unique in the blood circulation of Herdmania?

Blood group AB has

Blood vascular system in hemichordate is

Blood vascular system of earthworm is of

Write the genotypes of blood group A and blood group B.

AB-blood group shows