Question

A. Fill in the blanks with suitable words.
1. The red blood cells have red colour due to the presence of
2.________are called soldiers of the body.
3.____veins carry oxygenated
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:

1 haemoglobin

2 White blood cells

3 pulmonary

4 arteries

5 capillaries

Explanation:

hope u understood

Answer 2

Answer:

1. Hemoglobin

2. White blood cells

3. Pulmonary viens

4.Resistance arteries

5.Capillaries