Answer:
I think it's B
Explanation:
During QRS that's when the depolarization happens and when that happens the ventricles contract and push blood to the lungs and body.
A pedigree or a pedigree chart is used to track which organisms are carriers of a specific trait through several generations.
C.
Answer:
Bacteria cause disease by secreting or excreting toxins (as in botulism), by producing toxins internally, which are released when the bacteria disintegrate (as in typhoid), or by inducing sensitivity to their antigenic properties (as in tuberculosis).
btw :
stay safe! :3
Answer:
hope it helps you to please mark me brainliest
Answer:
Cellulose
Explanation:
Cell walls made of cellulose are only found around plant cells and a few other organisms. Cellulose is a specialized sugar that is classified as a structural carbohydrate and not used for energy. ... While cell walls protect the cells, they also allow plants to grow to great heights. You have a skeleton to hold you up.
