Blood flows to the brain through the internal carotid and vertebral arteries and away from the brain through the internal jugular vein. The internal carotid artery supplies the brain, while the external carotid nourishes other portions of the head, such as the face, skull, scalp and the meninges. The vertebral arteries provide supply to the upper spinal cord, brainstem, cerebellum, and the posterior part of the brain.
Answer:
cell membrane
Explanation
It's the outer living boundary of animal cells. It's made of lipid and protein. Plasma Membrane is a mosaic of phospholipids, cholesterol, and proteins, the proteins in plasma membrane regulates the coming/going of substances into/out of the cell.
<span>A. light and radio waves
Light is also known as electromagnetic waves. This is because light is actually both an electric and magnetic field. Though it does not seem like it, light does not contain a charge but rather an </span>oscillating field. You can see this happening in your TV. There is no isolated magnetic charge for electromagnetic waves, so you won't be able to do something like put a magnet on the waves.
Answer:
Follicular phase
Explanation:
Menstrual cycle consists of 3 phases namely:
1. Follicular phase.
2. Ovulatory phase
3. Luteal phase
The follicular phase is stimulated by the follicle stimulating hormone(FSH). The first day of menstrual cycle marks the beginning of the follicular phase. The estrogen and progesterone reduces together with shedding of the uterine lining. In this phase and the follicles starts to form in the ovary. As time goes on only one follicle which contains egss continues to develop in the ovary which is released later.
the most recent year for which we have statistics available, 157,423people -- 86,689 men and 70,734women -- died from lung cancer in the U.S.
