Human beings are placed under Primata because of:
Presence of mammary glands
Presence of hair
Sweat glands
Opposable thumb
Opposable thumbs allow the digits to grasp and handle objects and are characteristic of primates.
Hair, nails, sabeceous glands, sweat glands, mammary glands belong to which category?
Some statements are given below. Identify the true statements.
(1) Hair provides protection, regulates body temperature and also acts as a sense organ.
(2) Ceruminous glands are modified sweat glands found in the auditory canal.
(3) Nails protect the sensitive tips of digits.
(4) Mammary glands are present in both, males and females.