Apologia advanced Biology module 4 | Baamboozle - Baamboozle

name the 3 types of joints and an example.

Fibrous=-sutures (head) and syndesmosis (forearm),Cartilaginous- costal cartilage and pubis symphysis and spine, Synovial – allows for free movement

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What do osteoclasts secrete to accomplish their function?

Osteoclasts dissolve bone mineral by massive acid secretion and secrete specialized proteinases that degrade the organic matrix, mainly type I collagen,

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How do the sex hormones affect bone growth?

They cause a rapid growth spurt(an increase in the osteoblast activity), and they cause the epiphyseal plates to ossify.

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Which joints have the greatest range of motion?

Ball and socket joint

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explain the difference between medial and lateral.

Medial is closer to the mid line lateral is farther away from the midline. The nose is medial to the ear. the ear is lateral to the nose

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Define osteoclast, osteocyte and osteoblast.

clast - multinucleated cell that breaks down bone, cyte - mature bone cell maintains bone, in a lacuna, blast - (creates the matrix))

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When does your body secrete PTH and where does it come from?

When Ca+ levels in the blood drop, it come from the parathyroid gland. It causes an increase in osteoclast activity and a decrease in osteoblast activity

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lifesaver

Give 10 points!

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gift

Win 20 points!

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fairy

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thief

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baam

Lose 20 points!

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seesaw

Swap points!

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shark

Other team loses 15 points!

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lifesaver

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What is the consistency of synovial fluid and what is it’s purpose?

Viscous, ovial:egg like, non Newtonian, lubricates, supports the chondrocytes in the articular cartilage, shock absorber

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When the parathyroid senses not enough calcium in the blood it releases PTH (parathyroid hormone). what is one way you can think of that it might raise Ca+ levels?

Stimulating osteoclast activity

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What are the canaliculi?

processes that extend from the main body of an osteocyte to allow them to communicate with each other. The canaliculi touch each other

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trap

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fairy

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rocket

Go to first place!

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lifesaver

Give 15 points!

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What does calcitonin do and why, and where does it come from?

It comes from the thyroid gland, and it reduces Ca+ levels in the blood by decreasing osteoclast activity

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Where is yellow bone marrow primarily found?

In the meduliary cavity of long bones, Red bone marrow is found in the spaces of cancelous bone.

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What is ossification?

the process of laying down new bone material by cells called osteoblasts. It is synonymous with bone tissue formation.

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