Answer correctly due like right now 50 points 2 smell questions
1) what is the primary distinguishing factor between anaerobic and aerobic respiration?
group of answer choices
anaerobic respiration uses fermentation whereas aerobic respiration uses glycolysis, the krebs cycle, and the electron transport chain
aerobic respiration gives off carbon dioxide whereas anaerobic respiration gives off oxygen
anaerobic respiration takes place without the use of oxygen whereas aerobic respiration uses oxygen at the end of the electron transport chain
anaerobic respiration only takes place in yeast and bacteria whereas aerobic respiration always takes place in higher organisms such as plants and animals.

2) explain whether this statement is true or false: in cellular respiration, reduction of complex molecules leads to energy release.
group of answer choices
false because breaking down sugars into simpler molecules requires energy
true because sugars are reduced down to release energy
true because sugars are broken down into simpler molecules
false because sugars are oxidized to release energy

QUESTION1: third answer choice

QUESTION2:

Explanation:

multiplying and dividing the two decimals and the eqations by the same number of the overalls

question#1

ans:

cell is the basic unit of organization of all living things. cells are often called the building block of life and it is the smallest unit of life. the study of cell is called cell biology. cell consists of cytoplasm enclosed within membrane, which contain bio-molecules such as proteins and nucleic acid.

two third of cell is water, which means that two-third of your whole body is water. the rest is the mixture of molecules, mainly proteins, lipids and carbohydrates.

question#2

ans:

organ:

an organ is a group of tissues specialized to form a functional unit. an example is the heart in animals.

organ system:

an organ system is a group of several organs whose functions are synchronized to release an effective action in a living organism. an example is digestive system.

question#3

different systems perform different function at tissue level. for example, the respiratory system facilitates breathing. in the alveoli tissue of the lungs, the exchange of oxygen and carbon dioxide molecules between the air and the bloodstream occurs by passive transport, so that oxygen is taken in and carbon dioxide and water are removed. different systems of the body carry out different functions. for example, your digestive system is responsible for taking in and processing food, while your respiratory system working with your circulatory system is responsible for taking up oxygen and getting rid of carbon dioxide.

question#4

different systems perform different function at tissue level. for example, the respiratory system facilitates breathing. in the alveoli tissue of the lungs, the exchange of oxygen and carbon dioxide molecules between the air and the bloodstream occurs by passive transport, so that oxygen is taken in and carbon dioxide and water are removed. different systems of the body carry out different functions. for example, your digestive system is responsible for taking in and processing food, while your respiratory system—working with your circulatory system is responsible for taking up oxygen and getting rid of carbon dioxide.

question#5

our body works because of the interactions that happen between organs and organ systems.  

for example:  

the heart to regulate blood flow throughout the body. the blood carries oxygen and nutrients to the cells and carries carbon dioxide and waste away from the cells. body systems work together in maintaining a constant internal environment. when this balance is disrupted, the body systems may not function properly, and human health can suffer.   you start to feel bad.