Organ. An organ is a system of tissues that work together on a larger scale to do certain jobs within an animal's body. Examples of organs are the brain, heart and lungs. Anatomy is an example of a biology specialty concerned with this level.
A. Tetanus does not refer to the shape of a bacterium.
Answer:
Baroreceptors:
Baroreceptors are the type of mechanical receptors. These receptors are located in the carotid sinus and become active in response to the change in the pressure in the heart. They have the ability to sense the information and relay it to the brain.
Chemoreceptors:
Chemoreceptors area also known as chemo sensors as they have the ability to detect the change in the chemical substance of the body. These receptors are present on the taste buds. They have the ability to generate the action potential and relay information.
B and f i think since more population means more resource consumption