Answer:
A heterotroph is an organism that doesn't make their own food.
Explanation:
Answer:
1. The pathway of a red blood cell from the right ventricle to the brain is:
<em>Right ventricle → pulmonary arteries → lungs → pulmonary veins → left atrium → left ventricle → artery aorta → arterial vessels → brain
.</em>
2. The substance that forms hemoglobin in red blood cells when it passes through the lungs is oxyhemoglobin.
Explanation:
Red blood cells are structures present in the blood, whose function is to transport oxygen (O₂) and carbon dioxide (CO₂). This process requires travel throughout the body, through the blood vessels, and gas exchange at the pulmonary and tissue level.
1. A red blood cell in the right ventricle contains carbon dioxide and must pass to the lungs to be oxygenated. The route it takes from there includes Right ventricle (minor circulation) → pulmonary arteries → lungs → pulmonary veins → left atrium → left ventricle → (joining the major circulation) artery aorta → arterial vessels → brain
.
2. The red blood cell or erythrocyte contains a molecule, called hemoglobin, which has an iron core that allows it to bind to O₂ and CO₂ in order to transport them. The affinity for one molecule or another depends on the presence of a certain gas in a certain place.
When the red blood cell passes through the lungs, the concentration of O₂ is higher than CO₂, so the latter is released and O₂ binds to hemoglobin, a conjugation that is called oxyhemoglobin.
The correct answer is option C, that is, woody, reinforced cell walls.
The prime layer of growth in the roots and stems of various plants, mainly in dicots like oak trees and buttercups, and gymnosperms like pine trees is known as vascular cambium. It generates phloem on the outside and xylem on the inside.
The vascular cambium thickens stems or branches and increases their girth. Thus, due to their unique tendency, one would expect vascular cambium to be simple, undifferentiated cells, which possesses the tendency of rapid cell differentiation, but would not expect them to have woody, re-inforced cell walls.
Arthropoda: arthropods. The other choices are marine organisms.
