Answer:
Hemoglobin.pulmonary artery.
Explanation:
1. about hemoglobin.Hemoglobin is the protein inside red blood cells. It carries oxygen.
2. about pulmonary artery.The pulmonary artery is a big artery that comes from the heart. It splits into two main branches, and brings blood from the heart to the lungs. At the lungs, the blood picks up oxygen and drops off carbon dioxide. The blood then returns to the heart through the pulmonary veins.
3. There exist a concentration difference of carbon dioxide and oxygen inside the alveoli and capillaries due to which the diffusion of the two gases takes place. The carbon dioxide moves from the blood to the alveoli sac and the oxygen moves from the sacs to the blood.
- Football is also known as soccer game in these game there will be two teams and 11 players in the team.
- The team which that scores more goals will be the winner.
- Basketball is played with two teams with five members in it .
- Basket Ball was the popular game .
<em><u>I </u></em><em><u>think</u></em><em><u> </u></em><em><u>these</u></em><em><u> </u></em><em><u>answers </u></em><em><u>might </u></em><em><u>help</u></em><em><u> </u></em><em><u>u</u></em>
<em><u>I </u></em><em><u>hope </u></em><em><u>it </u></em><em><u>helps</u></em>
Answer:
a hypertonic cell
Explanation:
if it is a hypertonic cell it will expand
(D) Most of the best sites are inaccessible by land transportation, so making roads to them is often prohibitively expensive.
<h3>What is a Reserve?</h3>
A nature reserve, also referred to as a wildlife refuge, a wildlife sanctuary, a biosphere reserve or bioreserve, a natural or nature preserve, or a nature conservation area, is a protected area that is important for its flora, fauna, or features of geological or other special interest. It is reserved and managed for conservation efforts as well as to offer unique opportunities for study and research.
In some nations, government agencies may designate them, as well as private landowners like charities and research facilities. Depending on the level of protection provided by local regulations, nature reserves are classified into various IUCN categories. It is typically subject to stricter protection than a natural park. In laws and official documents, different jurisdictions may use different wording, such as ecological protection area or private protected area.
Learn more about Biodiversity with the help of the given link:
brainly.com/question/27438508
#SPJ4
DNA is present within the nucleus of the cells and it is responsible for the production of various proteins and enzymes to keep the cellular activity going on. However, it cannot directly do so and seeks help of the messenger RNA molecules. DNA transcription is a process that involves transfer of the DNA code from the DNA to the mRNA molecule for the production of proteins.