Question

I need the answer to 2. I know that the heart and the lung are organs and that the human being is an organism but I don't understand the onion stuff and what is the trachea (I know that it's the windpipe and it's made of cartilage)? Please answer.

Answer 1

Answer

S. Name : Category

1. Heart : An Organ +

2. Trachea : An Organ *

3. Onion epidermis : An Cell

4. Onion Bulb : An Tissue

5. Onion Plant : An Organism (living )

6. Human being : An Organism ( living )

7. Lungs : An Organ *

Note (*) these organs are a part of respiratory system

Note (+) heart is a muscular organ ( cardio. system)

Answer 2

IdkAnswer:

Explanation: