Answer:
- covers and lines body surfaces
- minimal intercellular substance
- cells are densley packed together
- cells rest on basement membrane
- simple (single line of cells) and stratified (multiple layers)
- squamous (oval like shape), cuboidal (cube shape), columnar (long rectangle shape)
- vascular (tissue doesn't have its own blood supply)
Explanation:
Hope this helps!
oak tree DNA is much longer than that in human and the number of chromosomes also differ
Answer:
When entering, oxygen is high and carbon dioxide is being produced, when exiting carbon dioxide is being exhaled into the air
Explanation:
The connection between them is Vitamin D.
Vitamin D can be obtained from food and supplements, or synthesized by our bodies when we receive UV radiation in our skin, which is our major source. However, this vitamin comes <span>inactivated</span> and the only way to activate it is through enzymatic conversion (hydroxylation) in the liver and later in the kidneys.
This vitamin is necessary in the intestines because allows calcium and phosphorus to be observed, leading to normal growth and development of bones and teeth. Without enough vit D, bones become fragile, causing osteoporosis.
