Answer:
The luteal phase begins after ovulation. It lasts about 14 days (unless fertilization occurs) and ends just before a menstrual period. In this phase, the ruptured follicle closes after releasing the egg and forms a structure called a corpus luteum, which produces increasing quantities of progesterone.
Explanation:
Answer: Gasses are exchanged across the alveolar membrane.
The exchange of gasses takes place across the alveolar membrane of the lungs. Our respiratory system are composed of nose, pharynx, larynx, trachea, bronchi, and lungs (alveoli) where gas exchanges between the blood and external environment by diffusion. Moreover, during the gas exchange, the oxygen enters the blood while carbon dioxide enters the alveoli.
Answer:A
female gametophyte that has developed within a sporangium that has dispersed with the aid of additional protective sporophyte tissue layers
Explanation: An Ovule is made up of three parts: The integument, forming its outer layer, the nucellus (or remnant of the megasporangium), and the female gametophyte (formed from a haploid megaspore) in its center.
It is the structure that gives rise to and contains the female reproductive cells in seed plants.
<span>Omega 3 fatty acids are important because they are found in fish oil .
fish oil help reduce risk factors for heart disease, including high cholesterol and high blood pressure.</span>
