111. In humans after implantation what is the elaborate projection developed from trophoblast called ?
112. In humans embryonic development chorionicvilli which co-operate with the tissue of the mothers uterus to forms ...
113. Function of the placenta is ...
A. to deliver nutrients to embryo
B. to deliver oxygen to embryo
C. remove wastes from the embryonic blood
D. all of these
Answer : Option D
114. Which part present between placenta and embryo ?
A. Umbilical cord
B. Amniotic cavity
C. Embryonic disc
D. (b) & (c) both
Answer : Option A
115. Which hormones are not produced by placenta ?
116. The signals for parturition originate from ______ .
117. At the time of delivery which hormones stimulate more frequent and powerful construction of the uterus ?
A. Oxytocin and Prostaglandins
B. Estrogen and Progesterone
C. Oxytocin and Vasopressin
D. Estrogen and Prostaglandins
Answer : Option A
118. During delivery which glands send signals for the release of oxytocin ?
A. Posterior Pituitary
B. Anterior Pituitary
C. Hypothalamus
D. None of this
Answer : Option A
119. After delivery mammary gland start producing milk, In milk which necessary substance is present for immunity ?
120. How much blood is lost during menstrual cycle period ?