Exercise

Fill in the blanks:

1. The process by which prepared food is sent to all plant parts is called ______.

Ans: translocation

2. The thick muscular organ of the circulatory system in human being is called ______.

Ans: heart

3. Blood has a red pigment called _____.

Ans: haemoglobin

4. Blood in the right side of the heart is completely separated from the left side with the help of ______.

Ans: valves

True or false:

1. The rhythmic expansion and contraction of the heart is called pulse beat.

Ans: False

2. Kidneys eliminate the waste materials in the liquid form called urea.

Ans: True

3. In plants, water is transported through xylem.

Ans: True

4. The blood from the heart is transported to all parts of the body by vein.

Ans: False