Answer:
a. drive-reduction theory
Explanation:
Drive reduction theory tells about how motivation is driven by physical and biological needs. Need to drink water emanates from deficiency of water in the body . This is known as drive reduction theory.
a stress fracture feels like an aching or burning localized pain somewhere along the bone, if the stress fracture is along a bone that has a lot of muscles around it, like the tibia or femur, these muscles will feel very tight.
Answer:
Competition on the same receptor binding site
Explanation:
Adenosine is a neuromodulator or chemical in nervous system that makes humans feel tired while caffeine act as adenosine antagonist of adenosine blocker that makes human feel fresh.
Adenosine and caffeine both binds to the same receptor and compete for the same binding site. When adenosine binds to its receptors, the neural activity slows down but when caffeine binds to the same receptor, it do not allow adenosine to bind the same receptor and do not slows down the neural activity.
Hence, the correct answer is "Competition on the same receptor binding site".
Answer:
They do not enhance libido and typically fail to work in the absence of sexual stimulation. Some men are able to enhance both an erection and orgasm with digital prostate massage. This is a technique in which a finger is inserted into the rectum prior to and/or during sex to manually stimulate the prostate gland.
Explanation:
i hope i helped.