Answer: Adrenal cortex
Explanation:
The adrenal cortex which is the outer part of the gland produces some hormones which is life saving hormones or vital hormones.
Two of those hormones are aldosterone and cortisol. Cortisol helps in the metabolism and helps the body to respond to stress in a balanced way.
The aldolsterone helps in the maintaining the blood pressure of the body. It is a type of mineralocorticoid which is produced by the zona glomerulosa of the adrenal cortex.
Answer and explanation;
-Paramecium is an entire organism, and has to carry out all of life's function. A cheek cell is just an epithelial cell that doesn't have much because cheek cells are a part of a larger organism, therefore, they don't need to be mobile. Paramecium are free living , thus they need to be able to seek out food on their own.
-Organisms made of more than one cell are called multicellular organisms. The number of cells being less in smaller organisms does not, in any way, affect the functioning of the organisms. therefore a paramecium functions like any other living organism and has to attain activities such as nutrition and reproduction; etc.
D. However is the conjunction used to show contrast generally, not just in the passage.
