There is cancer in almost everything we do or eat but yes its true some types of cancer can be avoided
Answer:
omg boy or gal, and make sure you get child support money from the father, and whats its name, and................ id k what to say
Explanation:
Answer: The correct choice is B.
Explanation:
The aorta is the main artery that carries blood away from your heart to the rest of your body. After the blood leaves the heart through the aortic valve, it travels through the aorta, making a cane-shaped curve that connects with other major arteries to deliver oxygen-rich blood to the brain, muscles, and other cells.
Answer: The correct answer is (D) Both A and B
Explanation:
When an axon is depolarized at halfway to the threshold level,the action potential will be generated that would travel 'downstream' i.e towards the synapse and 'upstream' i.e back towards the cell body. This is because both channels on either sides are not under refractory period,i.e they are open.
