Answer:
Dan is a biotechnology R&D professional who studies the chemical makeup of plants as well as animals. Dan is a <u>biochemist</u>.
Explanation:
A biochemist is the professional specialist with solid training in biological chemical sciences, trained to develop analytical and advisory activities related to chemical-biological aspects. She / he studies the chemistry of the life of living beings; that is to say, it tries to describe the structure, organization and functions of living matter. The Biochemist is capable of applying at a productive level the fundamentals and principles of clinical analysis to obtain and preserve biological samples, be they clinical or of another origin (environmental, nutritional, or of animal, plant and microbiological, natural or genetically modified species) and design, execute, and interpret chemical analysis results. A biochemist can exercise the technical direction of laboratories where chemical and biological analyzes of clinical, toxicological, environmental, nutritional, biotechnological interest and related areas are carried out, whether they are directed to the provision of services or research.
Answer:
The correct answer is d. circulatory, nervous, urinary, and endocrine systems
Explanation:
Many organ systems together helps in regulating the blood pressure in the body. For example, in the case of stress, the autonomous nervous system helps in raising the heart rate that increases blood pressure in arteries and veins.
Circulatory system contains blood vessels, blood and heart and heartbeat and blood vessel thickness changes with the change in some endocrine hormone levels like cortisol, adrenalin which regulates the blood pressure.
The urinary system helps in the regulation of blood pressure by filtering water from blood. Therefore circulatory, nervous, urinary, and endocrine systems work together and regulate blood pressure.
In War of the Worlds the narrator is portrayed as sensible with how he discuses the whole subject of aliens invading earth