The Placenta

question 32

Multiple Choice

The placenta

• A)is where blood cells form before the fetus has bone marrow.
• B)nourishes the fetus and secretes hormones that maintain the pregnancy.
• C)is a membrane surrounding the embryo that gives rise to the blood vessels in the umbilical cord.
• D)is the membrane that contains the fetus.

---

Definitions:

Overweight

Having more body fat than is optimally healthy, typically measured by a body mass index (BMI) over 25.

Obese

A medical condition characterized by excessive body fat that presents a risk to health.

Teenagers

Individuals in the age group of 13 to 19 years, characterized by rapid physical, emotional, and cognitive changes.

Leptin

is a hormone produced by fat cells that helps to regulate energy balance by inhibiting hunger, thereby influencing body weight and appetite.