With age, the tissues making up a heart valve can lose flexibility and become stiff and narrowed while retaining their one-way closure properties. suppose a man's aortic valve is affected by this condition but his ventricles do not change their force of contraction. which of the following will likely happen?

a. blood will flow more rapidly than normal through the atria and right ventricle.

b. pressure within the left ventricle will increase during the systole phase.

c. the body's total blood volume will drop.

d. volume of blood flowing out of the left ventricle during a contraction will increase.

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.

Be in this im starting a with you so if you want you can get a partner for this. but basically im going to assign you guys a biome and you have to have a big sheet paper and you will turn it into 4 squares. the top right square is will be a drawing square for a drawing you will make of your biome. the top left square is about the biomes plants and drawings of them. the bottom left square is about the biomes animals. the bottem rights square is about the description of the biome. leave a comment or an answer and i will assign biomes. if your request one thats the one you get. send me a link to the project and i will grade ! im not a teacher btw.

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.