Answer:
One knee bent is not the correct technique for performing sit and reach test. Hence the correct answer is option b.
Explanation:
It is a very common test and exercise to stay fit. Bangladesh the stretching test can be done. For this a person have to put their legs straight and reach out for the toes. He shouldn't bend any knee for reaching out the toes. All the options are correct technique for performing sit and reach test except bending a knee.
The leg should be straight and also the weight should be flexed. For touching the toes finger should be used and the person should hold this condition for few seconds according to his compatibility.
Answer:
I think it's all of them.
Answer: In order to compensate for the low partial pressure of oxygen at altitude, the human body undergoes a number of physiological changes. A vital component in this process is the increase in the concentration of circulating haemoglobin. The role of HIF‐1α, erythropoietin and red blood cells in this acclimatisation process is described, together with the fall in plasma volume that increases the concentration of haemoglobin in the early stages of hypoxic exposure.
Explanation:
They produce less waste, they provide better contrast, and they are faster.