Nerves that send signals to the brain to tell you what your feeling
C mountain range .......................................
Answer:
The correct answer will be option-D
Explanation:
Pulmonary Surfactant is a complex substance produced by the pneumocytes epithelial II cells in the alveolar sac.
The surfactant is composed of the proteins and lipids which plays a role in keeping alveoli open by reducing the surface tension formed between the air and liquid.
The surfactant act by forming a monolayer surface film which helps reduce the surface tension.
Thus, option-D is the correct answer.
<h3><u>Self</u><u> </u><u>Pollina</u><u>tion</u><u>:</u></h3>
- Bisexuality
- Cleistogamy
- Homogamy
- Chasmogamy
- Position of antlers
<h3><u>Cros</u><u>s</u><u> </u><u>Pollination</u><u>:</u></h3>
- Dicliny
- Self incompatibility
- Male sterility
- Heterostyly
- Dichogamy
<h3><em><u>Keep</u></em><em><u> </u></em><em><u>lear</u></em><em><u>ning</u></em><em><u>.</u></em></h3><h2 />
I believe the answer to be developing nations. D. Thank you.