Bones
Every bone in the body is connected to another bone, except one. Which is it?
The thyroid bone, which sits at the base of the tongue, just above the Adam’s apple, is held in place by ligaments and muscles.
You body contains about 4 - 5 liters of this.
What is blood?
The main organ responsible for the blood's circulatory system is the ______.
heart
what happens as we grow from babies?
Some bones fuse, or grow together, so that your skeleton can become stronger.
A thermometer
What is used to measure the body temperature?
What are bones made of?
They’re made from some of the same minerals found in rocks, like calcium, magnesium, and phosphates.
Cells that carry oxygen in the body
What are red blood cells?
What does the heart control?
On average, human tissue is made up of 62 percent water, while bones contain only
20 percent
98.6
What is the average body temperature?
The longest and strongest bone in the human body is
the femur, or thighbone.
Cells that help blood to clot at the site of wound.
What are platelets?
The heart _____ blood around the body.
pumps
What is the most famous bone
the funny bone
Heat transfer via the flowing blood
What is the most important heat-exchange pathway inside the body?
The smallest bones are the ossicles, where are they?
three tiny bones in the middle ear.
Cells that fight infection in the body.
What are white blood cells?
The heart has how many chambers?
4
Scientists divide bones into two types of skeletons.
The axial skeleton (in pink) is made up of the bones from the central part, or axis, of the body. The appendicular skeleton (in blue) is made up of the appendages, like the arms and legs.
When a person has an infection, harmful microorganisms invade the body and multiply. These pathogens can thrive at typical body temperatures, but an increased temperature makes it more difficult for some of them to survive. For this reason, this is a part of the immune response to infections.
What is a fever?
Most bones have a jellylike inner part. That’s called the _____ .
bone marrow. Red bone marrow makes red blood cells, some white blood cells, and some platelets. Yellow bone marrow stores fat. It gives the body a reserve energy source that can be used in times of extreme hunger.
This carries nutrients and hormones to the cells and removes wastes. The 3 types of bloods cells are suspended in this liquid.
What is plasma?
The heart has how ____ atria and ___ ventricles.
2 and 2
Only two animals are known to show fear when they stumble upon the bones of their own kind
—humans and elephants.
When the body gets too hot, blood vessels dilate, allowing more blood to flow closer to the skin’s surface, promoting heat loss. When the body gets too cold, blood vessels constrict to help conserve heat.
What is temperature regulation?