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Rama09 [41]
2 years ago
15

Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional

questions.
Online Content: Site 1

Fitness Log


How can exposure to air pollution be reduced indoors and outdoors? (Site 1)
Health
1 answer:
Leona [35]2 years ago
5 0

Answer:

To reduce the exposure to air pollution, indoor and outdoor one can check the quality of air at his location. To reduce inside or indoor one should clean the house frequently to avoid the growth of mold or prevent dust in the house.

For outdoor, using cars, bikes, and other fuel-based transport vehicles can lead to an increase in air pollution so one should use walking or mechanical transport means. Industrialized chimneys produce harmful carbon and nitrogen gases which should be limited to reduce.

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What is the process of bone growth?
Bad White [126]

Answer:

Explanation:

Bone formation, also called ossification, process by which new bone is produced. Ossification begins about the third month of fetal life in humans and is completed by late adolescence. The process takes two general forms, one for compact bone, which makes up roughly 80 percent of the skeleton, and the other for cancellous bone, including parts of the skull, the shoulder blades, and the ends of the long bones.

Bone of the first type begins in the embryonic skeleton with a cartilage model, which is gradually replaced by bone. Specialized connective tissue cells called osteoblasts secrete a matrix material called osteoid, a gelatinous substance made up of collagen, a fibrous protein, and mucopolysaccharide, an organic glue. Soon after the osteoid is laid down, inorganic salts are deposited in it to form the hardened material recognized as mineralized bone. The cartilage cells die out and are replaced by osteoblasts clustered in ossification centres. Bone formation proceeds outward from these centres. This replacement of cartilage by bone is known as endochondral ossification. Most short bones have a single ossification centre near the middle of the bone; long bones of the arms and legs typically have three, one at the centre of the bone and one at each end. Ossification of long bones proceeds until only a thin strip of cartilage remains at either end; this cartilage, called the epiphyseal plate, persists until the bone reaches its full adult length and is then replaced with bone.

The flat bones of the skull are not preformed in cartilage like compact bone but begin as fibrous membranes consisting largely of collagen and blood vessels. Osteoblasts secrete the osteoid into this membrane to form a sponge like network of bony processes called trabeculae. The new bone formation radiates outward from ossification centres in the membrane. This process is called intramembranous ossification. There are several ossification centres in the skull. At birth, bone formation is incomplete, and soft spots can be felt between these centres. The lines where the new bone from adjacent centres meets form cranial sutures visible on the surface of the adult skull.

Both endochondral and intramembranous ossification produce immature bone, which undergoes a process of bone resorption and deposition called bone remodeling to produce mature bone.

8 0
3 years ago
The mesenteric lymphatic system is a major anatomic pathway for metastasis of which type of primary tumor?.
timurjin [86]
Testicular Prostate Breast Colorectal
5 0
2 years ago
write a letter to a friend or family member explaining why they should try practicing meditation. Make sure you list all the ben
son4ous [18]

Answer

we should try practicing meditation Coz it will makes us physically active and it's good too for our healthy living if we aren't practicing in our daily living we may be unconscious and we may be sick too and it it's definitely worth

Explanation:

by meditating in peace and quiet place as like near to ocean or in forest or in meditation class we can develop our attention and attitude through it thus, if we don't know it's value than it will be just like a useless for us so we should make a habit of meditation...

I hope it will help u!

8 0
3 years ago
Will give brainliest
inna [77]

Answer:

none of these

Explanation:

7 0
3 years ago
Read 2 more answers
Which of these activities is not related to the excretory system? *
gogolik [260]

Answer:

Creating urine within the small intestine and moving it to the large intestine

4 0
3 years ago
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