Me with this question

page 1

1. the diagram below shows the human respiratory system.

a. label the above diagram by filling in the boxes. [3]

1- box under nose
2- box under right lung
3- box under pharynx
4- box under box 3
5- box under box 4
6- box under left lung
7- box under box 6

b. i. state one function of the trachea. [1]

ii. explain how the structure of the trachea supports its function in (bi). [2]

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist