Answer:
multicellular; single celled organisms are often too tiny to be seen without a microscope
The total volume of the gas-exchanging region in the lung is called alveolar volume.
The alveolus is an air sack-like organ in the end of the respiratory airway. The alveolus is the site where gas-exchanging happens, so only air inside alveolus that will undergo actual exchange. Air in bronchus or trachea wouldn't do exchange
Answer:
eukaryotic cell
Explanation:
because prokaryotic cells lack nucleus
Answer:
When scientists studied patterns in the rocks of the ocean floor, they found more ... Making Models What characteristic of the ocean floor did you observe as you swept ... recorded the magnetic memory of rocks on both sides of a mid-ocean ridge. ... The Glomar Challenger, a drilling ship built in 1968, gathered the samples.
Explanation:
Glomar Challenger: Drillship of the Deep Sea Drilling Project. It was on June 24, 1966, that the Prime Contract between the ... One of the most important discoveries was made during Leg 3. ... After analysis of samples, scientists concluded that the ocean floor is probably no older than 200 million years.
The buttock region is the most common area for pressure ulcers to develop. Pressure ulcers or bedsores are injuries to skin and the underlying tissue resulting from prolonged pressure on the skin, They most often develop on the skin which covers bony areas of the body, such as hips, tailbone and the heals.