Why does speeth breathing take place in mid- volume of the vital capacity? - So we can talk for a long time on one breath

- There is no specific reason for this phenomenon.

- It allows us to talk louder

- It's most efficient use of passive and active (muscle) force.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

the tricuspid valve is present between right atrium and right ventricle