Study questions1.The plant body is formed by the shoot and root systems. Explain how stem cells form the whole body of the plant. Discuss how an over proliferation of stem cells in the shoot apical meristem may increase productivity of the plant, expressed as number of fruits and seeds.2.Mention the characteristics of three plant tissue systems. Explain in a mechanistic manner how a mutation in a critical gene is responsible for the formation of epidermis affect the whole functioning of the plant. Give this explanation based on the effects of the epidermis in the function of the other plant tissue systems.3.Mention the characteristics of the cells that form the ground tissue. What cells would be affected by a deficiency of lignin biosynthesis and how this deficiency would affect the functions of the ground tissue

hypoxemia refers to a below usual concentration of oxygen in the blood, mainly in the arteries. hypoxemia is an indication of an issue associated with circulation or breathing and may lead to various symptoms like shortness of breath.  

the condition is identified by determining the level of oxygen in the blood sample obtained from an artery. it can also be predicted by determining the oxygen saturation of the blood with the application of a pulse oximeter.  

the normal arterial oxygen is about 75 to 100 mm hg. the values underneath 60 mm hg is generally considered with the requirement for supplemental oxygen. the normal pulse oximeter readings generally range between 95 to 100 percent. the values under 90 percent are regarded as low.  

in the given case, the oxygen saturation is measured at 93 percent, hence, there is no need to administer oxygen, that is, one should withhold oxygen.