Question

1. All complex animals consist of only four basic types of
tissues. These tissues are organised in specific proportion
and pattern to form an
(1) Organs like stomach, lung, heart and kidney
(2) Organ systems like digestive system and respiratory
system etc,
(3) Organs like digestive system and respiratory system
etc.
(4) Organ systems like stomach, lung, heart and kidney​

Answer 1

Answer:

1. Option 1 is correct

Explanation:

Tissues are arranged to from organs further organs are arranged to form

organ system