Answer:
A
Explanation:
Heart cells are complex to find
Heart tissue is somewhat easy to find
Heart circulatory system is easy to find
The basic components of a mature mammary gland are thealveoli<span> (hollow cavities, a few millimeters large) lined with milk-secreting cuboidal cells and surrounded by myoepithelial cells. These </span>alveoli<span> join to form groups known as </span>lobules. Eachlobule<span> has a lactiferous duct that drains into openings in the</span>nipple<span>.
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C) mechanical energy.
hope it is correct
A. Alice carried the recessive allele
