Four chambered heart keeps oxygenated and deoxygenated blood separate and has double circulation while three chambered heart has a single circulation. Two chambered heart only has single atrium and single ventricle
Smooth muscle.
Blood vessels contain smooth muscle in their walls. Cardiac muscle is heart muscle specifically. Skeletal muscle is muscle that forms the voluntary muscles.
Answer:
D
Explanation: the bones can becomew brittle from not haveing calcium
Answer:
The diploid snail with 22 chromosomes will undergo meiosis (reduction division) to produce a gamete with reduced number of chromosomes (by half) i.e. 11 chromosomes. This means that after meiosis, each haploid gamete (sperm and egg) will contain 11 chromosomes each.
Explanation:
So it's 22!!!!
the genetic constitution of an individual organism.
