Animal body is made of four different types of tissues.
Epithelial Tissue
Muscle Tissue
Connective Tissue
Nerve Tissue
Plant structure is different from the animal skeletal structure. A plant tissue is different from those in animals. Plant tissues are basically divided into two: Meristematic tissue and Permanent tissue.
The atria of the heart merely need to allow blood to flow into the ventricle, and therefore aren't very muscular.
The ventricles of the heart need to actually pump blood to the rest of the body, whether to the lungs or the the rest of the body.
Homeostasis is where the body maintains the internal environment of the body systems for it to function properly. Now, how is this achieved in the circulation of blood is through deposition of waste for excretion and absorbing and distributing blood. Thank you for your question. Please don't hesitate to ask in Brainly your queries.
