When its traveling down the fallopian tube in this process it starts to divides to form a ball of cells called a blastocyst . hope this helps you :)
Answer:
A repeated-measures design
Explanation:
This is a research design that is used to measure the same variables repeatedly on the same sample or subject over a given time frame or over different time periods and/or under various conditions.
D, by allowing that they never engage in risky behaviors. Knowledge about health can help people understand why some things are risk and why some things aren't.
Answer:
A communicable disease is one that is spread from one person to another through a variety of ways that include: contact with blood and bodily fluids
Explanation:
Three ways to protect oneself from the sun is;
1. Wearing sunscreen protection
2. Wearing sunglasses, long sleeves, and a hat
3. Getting outdoors before 10 am and after 4 pm when the sun rays are least strong
When sun rays hit the skin, a cascade of biochemical pathways is significant in the uptake of vitamin D from the gut. Vitamin D is important in the absorption of calcium and minerals into bone and making them strong. This prevents diseases such as rickets.
