1. Jesi is on vacation and visited a seafood restaurant to eat a shrimp dinner. About thirty minutes after eating, she begins to feel ill and her stomach is rumbling. Shortly after, she begins to vomit. Jesi's body is experiencing a reaction to an ________ stimulus.
internal response
2. During a stressful or threatening situation, which of the following is the best description of how the nervous systems in your body would respond?
The parasympathetic nervous system senses the danger and the sympathetic nervous system responds by releasing adrenaline.
3. Which of the following scenarios is the best example of positive feedback?
As blood pressure decreases, your heart rate increases.
Given that,
Density of the liquid, d = 3 g/ml
Volume, V = 20 mL
To find,
The mass of the liquid.
Solution,
The density of an object is given by its mass divided by volume such that,
d = m/V
m is mass
m = d×V
Put all the values,
m = 3 g/mL × 20 mL
= 60 grams
Hence, the mass of a liquid is 60 grams.
<span>A person who is ill with fever will experience an increased basal metabolic rate. The body’s metabolism contains all of the chemical and biological process needed for the conversion of food into energy and the use of it like digestion and excretion. So when we become sick, the metabolism speeds up to fight the illness.
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