During exercise stroke volume increases because more blood is sent back to the heart due to the muscles squeezing blood in the veins
10 is 4
11 is 3
15 is 3 (where it says 3 ok)
Answer:
Chromatin is a substance within a chromosome consisting of DNA and protein. The DNA carries the cell's genetic instructions. The major proteins in chromatin are histones, which help package the DNA in a compact form that fits in the cell nucleus. Changes in chromatin structure are associated with DNA replication and gene expression.
Explanation:
B.) Ulnar aspect of the hand
