Answer:
pericardium
Explanation:
A double-walled membrane, the pericardium, separates the right and left chambers, preventing oxygen-rich blood from mixing up with the one without oxygen. So, the heart functions go smoothly. Deoxygenated blood enters the right atrium.
The answer would be C
The illness doesn't have to be life-threatening to the point where they must go to the hospital, but it could still be a health risk.
Answer:
Although snakes belong to the taxonomic class of reptiles and worms belongs to broad categories of flatworms, roundworms and segmented worms. They exhibit may similarities which proves a fact that they are closely related. These organisms show similar type of skin, sensory organs, behavior and habitat. Both snakes and worms are adapted to show slithering and wriggling like locomotion. Both of these organisms exhibit long and cylindrical bodies.
If a white female cat and a black male cat produce offspring that are both black and white, this is an example of codominance. The reason for this is that a person who has A allele and a person who have B allele will have blood type AB.
I hope this helps!