Human blood is an example of__________?
Correct answer: B. Tissues
- A. Organelle
- B. Tissues
- C. Organic compound
- D. Inorganic compounds
Explanation
Blood is a connective tissue because it contains cells and a fluid extracellular matrix called plasma, and it transports materials throughout the body. It is not an organic compound or an inorganic compound, since it is a complete living tissue made of many substances and cells. Students may choose organic compound because blood contains organic molecules, but its classification is based on its organization as tissue.
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About Animal and Plant Cell
Animal and plant cells share a plasma membrane, cytoplasm, nucleus, ribosomes, mitochondria and endoplasmic reticulum, but plant cells also have a cellulose cell wall, chloroplasts and a large permanent vacuole. Questions cover organelle structure and function, differences between the two cell types, and how membranes control movement of substances.
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