Please help me with this Class 7

asked Aug 19, 2023 153k views

18 votes

Please help me with this

Class 7

8.7k points

Please log in or register to add a comment.

5 votes

Answer:

a . Organ A is heart liquid B is blood

b. red is the colour of liquid B

c. the useful substance is oxygen and nutrients

d. carbon dioxide is the waste E

Radika answered Aug 24, 2023

7.1k points

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers