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.
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.
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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)