What causes people to be color-blind
can be tested scientifically
The circulatory and respiratory systems work together to circulate blood and oxygen throughout the body. Air moves in and out of the lungs through the trachea, bronchi, and bronchioles. Blood moves in and out of the lungs through the pulmonary arteries and veins that connect to the heart.
This is true. Urea carries the bloodstream to your kidneys which then transport waste along with water to form urine.
Answer:
Unlike the terrestrial planets that make up our inner solar system — Mercury, Venus, Earth, and Mars — the Jovian planets do not have solid surfaces. Instead, they are composed primarily of hydrogen and helium, with traces of methane, ammonia, water, and other gases in their atmospheres.
I think it will help you.
Capillaries have thin walls, only one cell thick, that allow them to effectively perform their function.
