What Is the Main Function of the Placenta

question 128

Multiple Choice

What is the main function of the placenta?

• A) screening out potentially harmful substances
• B) exchanging blood between the mother and the developing embryo
• C) protecting and surrounding the developing fetus
• D) creating antibodies for the developing fetus

---

Definitions:

Neurotransmitters

Chemical substances in the body that transmit signals from one neuron to another across synapses.

Glia

Non-neuronal cells in the central and peripheral nervous system that support, protect, and nourish neurons.

Dopamine

A neurotransmitter involved in many body functions, including pleasure, motivation, and motor control.

Parkinson's Disease

A neurodegenerative disorder that affects movement, causing symptoms such as tremors, stiffness, and slow movements.