Explanation:
Bones provide support for our bodies and help form our shape. Although they're very light, bones are strong enough to support our entire weight.
Bones also protect the organs in our bodies. The skull protects the brain and forms the shape of the face. The spinal cord, a pathway for messages between the brain and the body, is protected by the backbone, or spinal column. The ribs form a cage that shelters the heart and lungs, and the pelvis helps protect the bladder, part of the intestines, and in women, the reproductive organs.
Bones are made up of a framework of a protein called , with a mineral called calcium phosphate that makes the framework hard and strong. Bones store calcium and release some into the bloodstream when it's needed by other parts of the body. The amounts of certain vitamins and minerals that you eat, especially vitamin D and calcium, directly affect how much calcium is stored in the bones.
Answer:
Blood vessels
Explanation:
It is returned to the heart in the veins. The capillaries connect the two types of blood vessel and molecules are exchanged between the blood and the cells across their walls.
The scientific method can best be described as a plan or set of procedures.
The invasive species are the species who are present in a non native ecosystem. The invasion of These species disturbs the environment of particular system by increasing the competition or destroying the vital component of the ecosystem.
The invasive species can increase the competition in the native species, which would lead to the decrease in the number of the native species. There are many species present in the Hawaii department of the agriculture that are endangered, the competition cannot be tolerated here, as it can lead to the extinction of the endangered species present. So, in order to reduce the chance of the extinction due to competition, Hawaii department of Agriculture is very strict about the prevention of the non native or invasive species.
