Answer:
a. The bone matrix is very dense and contains deposits of calcium salts
Explanation:
Characteristic of bone tissue
The mineralized matrix of the bone tissue has the organic component which is mainly collagen known as the ossein and an inorganic component of mineral composed of various salts .
The tissues of the bone contain an organic primarily hydroxypatite , calcium carbonate and collagen .
The organic matrix is about 20 percent of the net weight of the bone and is composed mainly of collagen , hence collage is the main structural component of the bone matrix .
Answer:
In turn, several cholinergic drugs have been developed for clinical as well as for cosmetic purposes. For example, some cholinergic drugs are used to treat severe muscle spasms, others to slow down the progression of Alzheimer’s disease and others to reduce wrinkles.
Explanation:
Stretching his legs slowly and doing excersises that help
Answer:
talk to his wife and see if this has been going on for a while if so prep for surgery if not continue with supplemental okegen and ask around what it could be.
hope this helps if so plz brainliet me i dont think i spelled that right