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What are structres derived from endoderm?
The endoderm, the innermost embryonic layer, becomes the digestive organs and other accessory organs such as the liver and pancreas. The ectoderm becomes the epidermis and nervous system. The mesoderm becomes muscles, bones, cartilage, blood, and reproductive organs.
Does the mouth belong to the digestive system or respiratory?
Your mouth is part of both the digestive and the respiratory system.It belongs to the digestive system, because it adds saliva, which helps break down the starches before further digestion in the stomach. Ptyalin is one of the important chemicals. Additionally, of course the mastication definitely aids the digestive process.And it belongs to the respiratory system for under exercise, it becomes the main entry way for air. But probably without the moisturizing qualities added by the passage through the nose.
What adult plant parts will each of the embryonic parts become?
The radicle becomes root, the hypotocyl becomes the stem and plumule develops in to leaves and stem branches etc.
What type of respiratory system does a cnidarian have?
There are no respiratory organs, and both cell layers absorb oxygen from and expel carbon dioxide into the surrounding water. When the water in the digestive cavity becomes stale it must be replaced, and nutrients that have not been absorbed will be expelled with it.
What is the difference between a protostome and a deuterostome in terms of their embryonic development?
In protostomes, the blastopore becomes the mouth, while in deuterostomes, the blastopore becomes the anus. This difference in embryonic development is a key distinction between the two groups.
What is the difference between a protostome and a deuterostome in terms of embryonic development?
In protostomes, the blastopore becomes the mouth, while in deuterostomes, the blastopore becomes the anus. This difference in embryonic development is a key distinction between the two groups of animals.
Is embryonic stage and the first trimester the same?
The embryonic stage is a part of the first trimester. The first trimester is the first three months of pregnancy and the embryonic period ends around week 8 and it then becomes a fetus.
What type of respiratory system does Phylum Cnidaria have?
There are no respiratory organs, and both cell layers absorb oxygen from and expel carbon dioxide into the surrounding water. When the water in the digestive cavity becomes stale it must be replaced, and nutrients that have not been absorbed will be expelled with it.
When mucin mixes with water it becomes what?
When mucin mixes with water, it becomes a slimy and viscous substance that provides lubrication and protection to surfaces like the digestive tract and respiratory system. This mucous consistency helps to trap and clear away debris, pathogens, and irritants.
Why would the shut down of your digestive system be deadly?
if your digestive system were to shut down then when you ate the food would have no place to go & it will just sit there until it becomes too much for your body to handle. Then your body will start to shut down & eventually you will die from this.
Which trimester does The respiratory system becomes mature?
the second trimester
What adult plant part will each of the embryonic parts become?
The radicle becomes root, the hypotocyl becomes the stem and plumule develops in to leaves and stem branches etc.
