Question

A. Fill in the blanks with suitable words.
1. The red blood cells have red colour due to
the presence of Haemoglobin
2.
are called soldiers of the body.
3.
veins carry oxygenated blood.
4.
have thick walls and narrow
lumen.
5. The
are the fine connecting
vessels between arteries and veins.​

Answer 1

Answer:

2)white blood cells (WBC)

3) pulmonary veins

4) Arteries

5)Blood capillaries

1)true