For the first question, I would say a line graph. And the one about the human heart, I need some more information.
Answer:
I think it should be C and D both.
Answer:
Its a virus that any people get and some can die. It is also known as Influenze A. For for info look it up
Explanation:
<span>temp-hgher temp results in more unloading
bohr effect-A more active tissue generates more CO2, which lowers its pH and that induces more O2 unloading
bisphosphoglycerate (BPG)-A metabolite in RBCs that binds to oxyhemoglobin and promotes O2 unloading</span>