What do atoms have an equal number of?

Biology

2 answers:

sveticcg [70]4 years ago

7 0

Answer:

protons and electrons, and the number of protons and neutrons is usually the same as well.

Explanation:

Adding a proton to an atom makes a new element, while adding a neutron makes an isotope, or heavier version, of that atom.

sasho [114]4 years ago

4 0

Answer: Atoms do not always contain the same number of electrons and protons, although this state is common. When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons).

Explanation: Hoped i Helped!

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What blood vessel is a tributary of the hepatic portal vein?

inysia [295]

According to the research, the linear vein is a tributary blood vessel of the hepatic portal vein.

<h3>What is the hepatic portal vein?</h3>

It is a blood vessel that carries deoxygenated blood from the digestive organs and the spleen to the liver.

The linear vein is one of the branches of the celiac trunk that supplies the spleen and gives off branches to the stomach and pancreas.

Therefore, we can conclude that according to the research, the linear vein is a tributary blood vessel of the hepatic portal vein.

Learn more about the hepatic portal vein here: brainly.com/question/15511202

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7 0

2 years ago

Abe knew from his anatomy class that there are three different kinds of muscle tissue in the body. He knew lifting weights would

Aleksandr [31]

Answer:

Three different kinds of muscles are -:

SKELETAL MUSCELES
CARDIAC MUSCLES
SMOOTH MUSCLES

Explanation:

SKELETAL MUSCLES -: There are long, cylindrical, and striated skeletal muscle cells. They are multi-nucleated, which means they have more than one nucleus. This is because from the fusion of embryonic myoblasts, they are created. Each nucleus controls the sarcoplasm's metabolic demands around it. There are high energy requirements for skeletal muscle cells, because they contain several mitochondria in order to generate adequate ATP. Examples of skeletal muscles: arms and legs- The muscles that belong to the arms and legs feature in pairs. Abdomen and Back- These muscles are connected to the various sets of skeletal muscles that run across the torso.
CARDIAC MUSCLES -: Cardiomyocytes have a short and narrow outline and are fairly rectangular. They are about 0.02 mm wide and 0.1 mm (millimetres) long, respectively. There are many sarcosomes in cardiomyocytes, which provide the required energy for contraction. Cardiomyocytes usually contain a single nucleus, unlike skeletal muscle cells. Cardiomyocytes, although they contain more sarcosomes, normally contain the same cell organelles as skeletal muscle cells. example - cardiac muscle is present in heart.
SMOOTH MUSCLES -: Smooth muscle cells have a single central nucleus and are spindle-shaped. They range in length from 10 to 600 μm (micrometers), and are the tiniest type of muscle cell. In the expansion of organs like the kidneys , lungs, and vagina, they are elastic and therefore essential. As in cardiac and skeletal muscle, the myofibrils of smooth muscle cells are not aligned, meaning they are not striated, hence the term smooth. example of smooth muscles -: Walls of blood vessels , Walls of stomach , Ureters , Intestines , In the aorta (tunica media layer), Iris of the eye. ,Prostate and Gastrointestinal Tract.