Question

4. Analyse the following table given below and answer the questions that follow:
The hemoglobin level is expressed as the amount of hemoglobin in grams (gm) per deciliter
(dL) of whole blood, a deciliter being 100 milliliters. The normal ranges for hemoglobin depend
on the age and, beginning in adolescence, the gender of the person. The normal ranges are:








Based on the above table answer the following questions
4(a) What does a low hemoglobin level mean?
4(b) How is oxygen transported in human beings?
4(c) Respiratory pigment in human body is
(i) Chlorophyll
(ii) Water
(iii) Blood
(iv) Haemoglobin
4(d) Which of the following is an important component of haemoglobin?
(i) Iron
(ii) Sodium
(iii) Calcium
(iv) None​

Answer 1

Explanation:

iron is an important component of haemoglobin

respiratory pigment is haemoglobin

by the osmosis of oxygen in haemoglobin