Question

Даю 30 баллов за нормальный ответ Кравеносная система у млекопитающих и у птиц

Answer 1

Кровеносная система и кровообращение млекопитающих У млекопитающих, как и у птиц, большой и малый круги кровообращения полностью разобщены. От левого желудочка четырехкамерного сердца отходит одна левая дуга аорты . ... Снабженные клапанами лимфатические сосуды открываются в венозные сосуды вблизи сердца.

Answer 2

Kravenosnaya System in Mammals and Birds

The kravenosnaya system, also known as the circulatory system, is responsible for the transportation of blood, nutrients, oxygen, and waste products throughout the body of mammals and birds. It consists of the heart, blood vessels, and blood.

Heart: The heart is a muscular organ that pumps blood throughout the body. It has four chambers: two atria and two ventricles. The atria receive blood from the body and lungs, while the ventricles pump blood out to the body and lungs. The heart contracts and relaxes rhythmically to maintain blood flow.

Blood Vessels: Blood vessels are the network of tubes that carry blood to and from different parts of the body. There are three main types of blood vessels: arteries, veins, and capillaries. Arteries carry oxygenated blood away from the heart to the body, while veins carry deoxygenated blood back to the heart. Capillaries are tiny, thin-walled vessels that connect arteries and veins, allowing for the exchange of nutrients, oxygen, and waste products between the blood and body tissues.

Blood: Blood is a fluid connective tissue that carries oxygen, nutrients, hormones, and waste products throughout the body. It is composed of plasma, red blood cells, white blood cells, and platelets. Plasma is the liquid component of blood that carries cells and dissolved substances. Red blood cells contain hemoglobin, a protein that binds to oxygen and transports it to body tissues. White blood cells are involved in the immune response, defending the body against infections. Platelets are responsible for blood clotting to prevent excessive bleeding.

The kravenosnaya system plays a crucial role in maintaining the overall health and functioning of mammals and birds. It ensures the delivery of oxygen and nutrients to body tissues, removes waste products, and helps regulate body temperature. The efficiency of the circulatory system is essential for the survival and well-being of these animals.