bones

List 5 common bone diseases.

• Osteoporosis
• Fracture
• Pain
• Paget's disease
• Arthritis

When do bones stop growing?

• About 95% of a young woman's peak bone mass is present by age 20, and some overall gains in mass often continue until age 30. The average boy has his fastest rate of growth in height between ages 13 and 14, and stops growing between ages 17 and 18.

What bones are not yet fused together when you are born? Why are these bones not fused together?

But why aren’t these bones already fused together at birth? Well, most of these unfused bones are located in the newborn’s skull. When a baby is born, it has to squeeze itself through the mother’s birth canal.

Find 5 facts about bones.

• The adult human body has 206 of them.
• There are 26 bones in the human foot.
• The human hand, including the wrist, contains 54 bones.
• The femur, or thighbone, is the longest and strongest bone of the human skeleton.
• The stapes, in the middle ear, is the smallest and lightest bone of the human skeleton.

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bones

LO- Be able to identify bones and describe the function of some of the skeletal system.

orana oark

we went to go to the buses but then the buses went to the wrong school so they came to our school and drove past it

the first animal my group saw was the cheetahs
then we went and saw the garilorsz
then we went and saw the rhinos 

Organ Functions

brain
blatter
intestines
livers
heart


liver
skin
lungs
blatter
5/5

blatterhttps://www.youtube.com/watch?v=rnhGy_lU5q4
The third set of muscles is the pelvic floor muscles, also referred to as the external sphincter, which surround and support the urethra. To urinate, the brain signals the muscular bladder wall to tighten, squeezing urine out of the bladder. At the same time, the brain signals the sphincters to relax.
skinhttps://www.youtube.com/watch?v=Orumw-PyNjw
The skin¹ is one of the largest organs in the body in surface area and weight. The skinconsists of two layers: the epidermis and the dermis. Beneath the dermis lies the hypodermis or subcutaneous fatty tissue. The skin has three main functions: protection, regulation and sensation.
tounghttps://www.youtube.com/watch?v=QVU_92x6i88
In the back of the mouth, the tongue is anchored into the hyoid bone. The tongue is vital for chewing and swallowing food, as well as for speech. The four common tastes are sweet, sour, bitter, and salty. A fifth taste, called umami, results from tasting glutamate (present in MSG).
tummyhttps://www.youtube.com/watch?v=KAfnIPYN0X0
Partial digestion of the food takes place here. The churning action of the stomachmuscles physically breaks down the food. The stomach releases acids and enzymes for the chemical breakdown of food. The enzyme pepsin is responsible for protein breakdown.
Jejunumhttps://www.youtube.com/watch?v=qUGyxLK8Xi4
The jejunum is the middle segment of the small intestine found between the duodenum and the ileum. Most of the nutrients present in food are absorbed by the jejunumbefore being passed on to the ileum for further absorption.

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