Draw, label, and explain the structure of a tooth. 

Redraw the diagram. Name and label the parts indicated, below,

Carries impulses away from the cell body

Give appropriate biological or technical terms for the following:

The relaxation phase of the heart.

Observe the given diagram and read the following statements.

(i) These are cells of collenchyma tissue.

(ii) At maturity these cells lose their nucleus and cytoplasm.

(iii) The cells are living and thick at their corners.

(iv) This tissue gives flexibility to plant parts.

Correct statements are:

Observe the picture and answer the following question

Name the part indicated as (i).