Fetal Development
Oxygen and nutrients are transferred from the mother to the baby through what structure?
The placenta
What is a cell and what are its most basic components?
A cell is the basic unit of the human body. It is made up of the cell membrane, the cytoplasm, and the nucleus.
A balanced diet supplies your body with the nutrients necessary for each system.
What are the two functions of the endocrine system?
At how many weeks of development does the fetus' heart start beating?
3 weeks
Which part of the cell is the most important and what does it do?
The nucleus; the nucleus is the "control center" - it regulates everything that takes place in the cell.
What are the 5 types of nutrients?
Proteins, carbohydrates, fats, minerals, and vitamins.
Hormones can be understood as ________ _______.
Chemical messengers
How long does it take for a fetus' eyes to open?
7 months
_____ are made up of organs, organs are made up of _____, _____ are made up of similar cells.
Name three vitamins that are helpful for building strong bones and teeth.
Vitamin A, Vitamin C, and Vitamin D
Which gland is referred to as the "master gland"? What hormone does it secrete?
The pituitary gland; growth hormone
13 to 16 weeks
What is the largest part of the cell?
The cytoplasm
Why is fiber important and what are two good sources of fiber?
Fiber helps eliminate waste materials. Two good sources of fiber are raw fruits and vegetables and whole-grain breads.
Describe why the thyroid gland is important.
The thyroid gland plays a big role in metabolism.
At 9 weeks of development, about how much does a fetus weigh?
1/6 ounce
What part of the cell would be compromised if harmful substances began entering the cell?
The cell membrane
Why can too much cholesterol be a bad thing? What would happen if you had too much cholesterol in your diet?
What glands secrete the hormone, adrenaline? Why is adrenaline important?
The adrenal glands secrete the hormone adrenaline. Adrenaline causes the body to release energy.