Answer:
true
This takes place when molecules diffuse across the cell membrane by travelling through specific transport proteins. It occurs down a concentration gradient - molecules move from an area of high to lower concentration. This does not require a supply of energy because diffusion is a spontaneous process.
The endocrine system describes as the mediator of hormonal synthesis and action in the human body.
<h3>What do you mean by Endocrine system?</h3>
The endocrine system may be defined as a system that is composed of various glands and organs which are responsible for the secretion of hormones into the bloodstream and play their role at the target sites.
The endocrine system is controlled by the hypothalamus and the pituitary gland. They release numerous hormones that affect the adrenal gland, thyroid gland, reproductive organs, blood glucose level, and many more.
Therefore, it is well described above.
To learn more about the Endocrine system, refer to the link:
brainly.com/question/2795343
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All organisms and how they live and react with each other
Answer:
Epidemiological Study
Explanation:
This type of study is called and epidemiological study. The design of this study uses a group or individual that have been exposed or not been exposed to a certain condition. The parameters will account for similar age, sex working habits etc. This will correctly identify if the contributing factor is the exposure of the agent or otherwise.