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  1. Problems
  2. /Human Body
  3. /Human Reproduction

Human Reproduction

Biology
+ Upload a Problem
More in Human BodyDigestive SystemRespiratory SystemCirculatory SystemNervous System and Sense OrgansExcretory SystemHormones and the Endocrine SystemHuman Reproduction
10 problems
Type:
1.
In a district, there were 10 000 boys under six in both of two surveys. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Hard
2.
Match each method of contraception to the way it works: (a) condom, (b) hormone pill, (c) copper-T… New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
3.
A town has 4820 girls and 5200 boys under six years of age. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
4.
A doctor counts a pregnancy as about 280 days. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Easy
5.
Name two substances that pass from the mother to the embryo through the placenta, and one that… New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
6.
Sunita's menstrual cycle is 28 days long, and each period lasts about 5 days. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
7.
A zygote divides into two cells, and every cell divides again at each step. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Easy
8.
Rohit asks why the testes hang outside the body cavity, where they seem less protected. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Easy
9.
Suppose a woman's ovaries release one egg each month from the age of 13 to the age of 49, with no… New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
10.
Put these parts in the order in which a sperm passes through them: urethra, testis, vas deferens. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Easy