(a) Write the function of placenta in human females. (b) List four ways of preventing pregnancy. State two advantages of using such preventive methods.
Answers
by using condoms
pills
surgery for blocking fallopian tubes
by using pills
they help to control the growing population
for getting comfortable life
The placenta is the outer membrane that protects the developing fetus from the surrounding environment.
Explanation:
a)The placenta is responsible for providing the oxygen and nutrient to the developing fetus from the bloodstream of the mother.
The placenta also has a role in the removal of the carbon dioxide and waste from the fetal surrounding environment.
The placenta also release hormones that can help in fetal growth, metabolism and parturition.
b) Use of oral contraceptives like hormonal pills, physical barriers like spermicidal jellies and use of condemn and use of physical implants like intra-uterine contraceptive device.
The two advantages of the preventive methods include:
1. It reduces the chances of fertilization of male and female gametes and prevents pregnancy.
2. It reduces the embedding of the zygote to the uterus for further differentiation.
Learn more about pregnancy:
Definition the pregnancy: https://brainly.in/question/7893136
What is Pregnancy?: https://brainly.in/question/11868915