What is formed through sexual reproduction when a sperm cell and an egg cell combine?

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it

While washing her hair olivia noticed that she was losing a lot of hair she visited a clinic and the physician reassured her that her hair would grow back how do you think olivias hair will grow back

If there is another new infectious disease somewhere in the world, what do you think canadian officials should do