Question

1.What is excretion? How do unicellular organisms remove their wastes? (1)


2. Why carbon dioxide is mostly transported in dissolved form? (1)


3.In which cell organelle does respiration occur? (1)​

Answer 1

Explanation:

1)excreation is the process of removing the nitrogenous waste from human body.

Answer 2

the process of elimination of waste product from an body is called excretion. yeast