New Activity
Play Crossword Puzzle
1 A gestation that is not in the uterus.
2 the phase from week 5 to week 11 of gestation.
3 It is in charge of transporting oxygen and nutrients to the baby and of eliminating waste when the baby is inside the mother'
4 Starts growing by mitosis
5 carries eggs from the ovaries to the womb.
6 union of two haploid gametes, during sexual reproduction, to form a zygote
7 the attachment of the fertilized egg or blastocyst to the wall of the uterus at the start of pregnancy
8 the cell connected with sexual reproduction of the female
9 Embryonic time of development
10 Male sex cell, which is involved in the process of reproduction.
11 the mucous membrane lining the uterus
12 In oogamous reproduction, the union of sperm .
13 the middle layer of an embryo in early development, between the endoderm and ectoderm.
14 One of the three primary germ layers formed in early embryonic development
15 Process formed from a blastula by the inward migration of cells
16 the innermost layer of cells or tissue of an embryo in early development
17 an endocrine organ where estrogen and progesterone are produced.
18 the outermost membrane surrounding an embryo of a reptile, bird, or mammal.
19 the innermost membrane that encloses the embryo of a mammal, bird, or reptile.
20 the early developmental stage of an animal
21 It is an organ that develops in the uterus during pregnancy. This structure provides oxygen and nutrients to the growing baby
22 The spherical embryonic mass of blastomeres formed before the blastula and resulting from cleavage of the fertilized ovum.
23 a diploid cell resulting from the fusion of two haploid gametes; a fertilized ovum.
24 the organ in the lower body of a woman or female mammal where offspring are conceived and in which they gestate before birth;
23
20
21
6
10
14
15
8
18
12
19
17
2
7
13
5
1
11
16
4
9
24
22
3