Agroup of students are reviewing material in preparation for a test on the male and female breasts. the students demonstrate understanding of the material when they identify which of the following?
a) striated muscle in the nipples contract causing them to become erect
b) the breast contain a limited upply of blood vessels
c) a primary function of the female breast is to produce milk
d) progesterone is primarily responsible for the growth of breath tissue.

Option (C).

Explanation:

Breast are the two prominences present on the upper region ventrally, present in the primates. These breast serve for the mammary gland. The estrogen and growth hormone causes breast development in females.

The primary function of the female breast is the production of milk by the process of lactation. These breast are used for feeding the young ones. The blood vessels are present in abundant supply in he breast.

Thus, the correct answer is option (C).

answer: accepted answer: aquatic animals use the oxygen dissolved in water to carry out respiration. since the amount of dissolved oxygen in water is low as compared to the amount of oxygen in the air, therefore the rate of breathing in aquatic animals is much faster than it is in terrestrial animals.

explanation:

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