Answer:
The correct answer will be option-E.
Explanation:
Chordae tendinae are the string-like structure in the heart which is composed of dense regular connective tissue called collagen and elastin proteins. They arise from the papillary muscles of the heart and branches out in the ventricle portion of the heart.
These play an important role in the closure of the AV valves to prevent the backward flow of the blood to the atria during ventricular contraction by holding cusps of the valve into the dome-shaped structure.
Thus, option-E is the correct answer.
Basically let's you breathe easier.
Explanation:
The alveoli are only one cell thick. Which allows relatively easy passage of oxygen and Carbon Dioxide between the alveoli and blood vessels. (Capillaries
Answer:
for starters we pollute the air and were causing global warming with all the c02 in the air, its really a toll on our atmosphere point blank
and were taking up space where the animals live
Explanation:
There is a magnifying glass, which also helps to see things up close, except that it cannot see small details like hair follicles or someone's DNA. There is also a telescope, which also helps see things closer but it is used to see things in space, such as planets, galaxies, and stars.
