No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A Cells- RBCs, WBCs, nerve cells
Tissues- Blood, muscle
Organs- Heart, hand, brain, blood vessels
A cell is the smallest form containing the genetic material, cell organelles, cytoplasm and it can replicate to give rise to new cells such as RBCs, WBCs, and nerve cells.
A group of cells that are structurally similar and or work together to perform a particular function is called a tissue such as blood and muscles.
The collection of such tissues, which are joined in a structural unit to perform a certain function is called an organ such as heart, brain, blood vessels.