At the end of 3 months.
Well, embryo is the developing stage of a zygote(fertilised egg) when it repeatedly divides itself into a ball of cells to form the different tissues and then the organs of the baby. The stage when the hands, legs , and different body parts of the baby can be identified is termed as the foetus. So, in accordance with your question the stage of the foetus is more developed. However the foetus is not the fully developed stage. The foetus once completely developed , the baby is born.
organisms
Yes, organ systems are made up of multiple organs that work together to perform specific functions in the body. Therefore, organ systems are usually bigger in size and complexity compared to individual organs.
The major organs systems have started developing.
The organization levels of multicellular organisms are cells, tissues, organs, and organ systems. Cells are the basic unit of life, tissues are groups of cells with similar functions, organs are structures composed of different tissues working together, and organ systems are groups of organs that work together to perform specific functions in the organism.
The body organs are developed and refined.
All the organs of the baby develop in first trimester. Means in first three months ofpregnancy.
All organ systems work to maintain homeostasis in the organism.
The fetal stage is the final phase of prenatal development, occurring from the ninth week of pregnancy until birth. During this stage, the developing organism is referred to as a fetus, and it undergoes significant growth and maturation of organs and systems. Key developments include the growth of body structures, the formation of functional organs, and increasing complexity in the nervous system. By the end of this stage, the fetus is typically fully developed and prepared for birth.
The stage in mammalian development where the major organs of an offspring are developed is known as the organogenesis stage, which occurs during the embryonic period, specifically between the third and eighth weeks of gestation. During this time, the three germ layers—ectoderm, mesoderm, and endoderm—differentiate into various tissues and organs, including the heart, brain, and digestive system. By the end of this stage, most of the essential organ systems are formed, although they will continue to mature throughout the rest of pregnancy.
viewed as an imbalance of the organs and chi in the body. Chinese medicine has developed intricate systems of how organs are related to physical and mental symptoms, and it has devised corresponding treatments
organs
Made up of Body parts that help with the exchange of gases. Basically Well functioning organs and a airway
The sexual organs of a baby start forming in the early stages of pregnancy, around week 4 to week 6. By week 9, the genitalia have typically developed into either male or female structures.
In humans, organs and organ systems begin to develop during the embryonic stage, specifically in the first trimester of pregnancy. This process starts shortly after fertilization, around the third week of gestation, when the three germ layers—ectoderm, mesoderm, and endoderm—form and differentiate into various tissues. By the end of the first trimester, most major organs have taken shape, although they continue to mature and develop throughout the remainder of the pregnancy.
The difference between cells, tissues, organs, and body systems are that many cells make tissues, many tissues make organs, and many organs make body systems.
Well, embryo is the developing stage of a zygote(fertilised egg) when it repeatedly divides itself into a ball of cells to form the different tissues and then the organs of the baby. The stage when the hands, legs , and different body parts of the baby can be identified is termed as the foetus. So, in accordance with your question the stage of the foetus is more developed. However the foetus is not the fully developed stage. The foetus once completely developed , the baby is born.