The red blood corpuscles have a pigment called hemoglobin that binds to the oxygen and carries it to the whole body in both the conditions, when the body is at rest or when the body is exercising. The oxygenated blood from the heart is carried to the various parts of the body and the de-oxygenated blood from various parts of the body is carried to the lungs where the exchange of gases takes place.
Answer:
B
Explanation:
Nerve cells can carry signals and connect all parts of the body to the brain
Answer:
(i) Groundnut and mustard seeds are called oilseeds because they are used to extract edible oil which are used for cooking food.
(ii) Herbivores consume only plants and plant products whereas carnivores feed on other animals only.
Explanation:
The correct answer should be Diffusion.
The number of workers for each person receiving Social Security benefits is called the DEPENDENCY RATIO. An increase in the dependency ratio increases the burden on the productive part of the population and has a direct direct impact on financial expenditures on things like <span>social security.</span>
