Dehydration can be very serious and can make you nausea.

question options:
true
false

During exercise, the oxygen concentration in the blood increases to twice that of resting levels. t or f

At school, there have been a lot of rumors going around about how certain sexually transmitted diseases are spread. which skill would be most valuable to you take the necessary steps to learn what you need to know to protect yourself? a. self-direction b. critical thinking c. problem solving d. effective communication       select the best answer from the choices provided.

True or false a fertilized cell divides many times to form an embryo