The Sun is acting weird. It typically puts on a pageant of magnetic activity every 11 years for aurora watchers and sungazers alike, but this time it overslept. When it finally woke up (a year late), it gave the weakest performance in 100 years.
Each bone in your body is made up of three main types of bone material: compact bone, spongy bone, and bone marrow. Compact bone. Compact bone is the heaviest, hardest type of bone. It needs to be very strong as it supports your body and muscles as you walk, run, and move throughout the day.how/hide words to know. 1  Bone marrow: the tissue in the middle of bones that creates red and white blood cells 2  ... Compact bone: the heaviest, hardest type of bone in the body. 3  Lining cell: flat cells that make up and cover the outer layer of bone. 4  Marrow: a soft tissue found inside bones.
The largest and longest bone in the body. The largest and longest bone in the human body is the femur bone, which is located in the upper leg. The femur is also known as the âthigh boneâ and is so long that one end forms part of the hip and the other a part of the knee.he adult human body is typically made up of 206 bones, although there are conditions that cause people to have more or fewer bones. The bones that make up the human skeleton are necessary to support and protect the vital organs as well as providing anchor points for muscles.