<span>tubercle
This kind of outgrowth is mostly common in bone formation as they are used for muscle formation and attached to the tendons. As they are in the skin of humans and animals they are also found in plants as well especially orchid , cacti and certain member of the pear family</span>
Answer:
spider with second option (spiders have an open circulatory system.)
earthworm with first option
starfish with forth option
Explanation:
<span> overvalue their physical appearance, weight, and body shape. </span>
Human chorionic gonadotropin (hCG) is secrete by the embryo early in pregnancy to keep the corpus luteum for dying. This positive feedback will maintain the corpus luteum, which secretes Progesterone and Estrogens throughout pregnancy, in order to keep the endometrium well to nourish the embryo/fetus.
4 i guess........................