George is running a 5-km race and his cells need more oxygen. The change that will help his body meet the increased demand for oxygen is his heart will start beating more quickly. This helps the oxygen get ferried throughout the system faster. The correct answer is A.
Answer:
I'm not sure NATALIE
Explanation:
Ok NATALIE it seems to be buggieduggie
x^2 - 2x + 6 = 0
Use the quadratic formula
x= <u>-b + or - squareroot b^2- 4 (a)(c)</u>
all over 2a
a = 1
b = -2
c = 6
x= <u>-(-2)+ or - squareroot (-2)^2 - 4(1)(6)</u> x= <u>2 + or - squareroot of -20</u>
all over 2 times 1 2
x= -20 <---- NO SOLUTION
Hope this helps :))
Epidermis is the surface epithelium of the skin, overlying the dermis. dermis is the layer of skin that lies beneath the epidermis and above the subcutaneous layer.
Answer:
Explanation:
The umbilical cord is a narrow tube-like structure that connects the developing baby to the placenta. The cord is sometimes called the baby's “supply line” because it carries the baby's blood back and forth, between the baby and the placenta.
