Organ

Q. Which is the largest organ in the human body?

1. Lungs
2. Brain
3. Heart
4. Skin

Q.

Which of these organs is a part of the circulatory system?

1. 

2. 

3. 

4. 

Q.

Lungs, ears and kidneys are examples of

1. Organs

2. Cells

3. Tissues

4. Organ systems

Q.

Which is the largest organ in the human body?

1. Brain

2. Lungs

3. Heart

4. Skin

Q. A is a group of similar cells and a/an is a group of tissues that carry out a specialised function.

1. Organ systen
2. Organ
3. Cell
4. Tissues

Q.

How did the circulatory system evolve?