Answer:
all of the above
Explanation:
All the statements are true that is Sweating is an example of positive feedback because when you sweat your body becomes hot and your inner body becomes cool. Shivering is an example of negative feedback because shivering occurs when there is cold in the body and can lead to sickness. The nervous system is responsible for sensing changes in the environment because it is responsible for sensing what's going on in our body.
Answer:
Plasma.
Explanation:
The main connective tissue of human body is blood. Blood mainly composed of the plasma and formed elements. Formed elements include white blood cell, red blood cells and platelets.
Blood plasma is present around 55% in composition. The blood plasma contains various coagulant factors, ions, proteins and chemicals. Plasma is the fluid portion of blood that needs to be drawn in presence of the anticoagulant compound.
Thus, the answer is plasma.
Answer:
Correct option is D. (All of the above)
Explanation:
Consequences of obesity, and overweight increase the risk of lots of health problems such as heart disease, diabetes, high blood pressure, and sometimes death as well.
Overweight occurs when a human body mass index is more than 25. It is caused by the taking more calories than are burned by everyday activities or exercise.
D) Active transport. In this process, dissolved molecules move across plasma membrane from a lower to higher concentration. Because they move against the concentration gradient, an energy from the cell is required.