Question

Fill in the blanks
1. human beings can recognise_____different types of smell.
(5000-8000, 2000-3000, 4000-10,000)

2. The colour of the eyes depends on the_____.
(lens,iris,cornea)

3.Temperature of our body is maintained at 37 °C by our____.
(skin,ear,tongue)

4. The waste products thrown out by the skin is called______.
(digestion, excretion, circulation)​

Answer 1

Answer:

1. 5000-8000

2. iris

3. tongue

4. excretion