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ollegr [7]
3 years ago
8

Study of the structure and function of cells, tissues and organs?

Biology
1 answer:
Kruka [31]3 years ago
4 0
They are called microscopic anatomy as the cell, tissues and organs are internal and needs a microscope for it to be seen inside the body.
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Is the cladogram pictured here correct? Does it accurately represent the cladistic relationships between these species based on
grigory [225]

Answer:

The cladogram is correct.  The further explanation is given below.

Explanation:

  • As with most other species excluding lamprey, paired arms and legs are established.
  • In any organism except lamprey as well as tuna, paired legs become available.
  • Throughout all animals, except lampreys, tuna, certain bullfrogs, the amniotic membrane seems to be preserved.
  • In kangaroos, rhesus monkeys including people, mammary glands were only ever available.
  • The placenta has only been found throughout rhesus monkeys and also in humans.
  • Foramen magnum forward will be exclusively found in humans.
6 0
3 years ago
Why do you suppose the intestine is so long compared to the rest of the digestive tract?
Svet_ta [14]
Because it is the main site for digestion. food is totally digested and absorbed in small intestine so it is long.
4 0
3 years ago
Four children of a man and woman who are second cousins have too few teeth, which is an autosomal recessive condition called oli
adoni [48]

Answer:

B) a nonsense mutation; this is because a nonsense mutation results in the change of a regular amino acid codon into a stop codon, which ceases translation. This fits with the problem's description of the protein that causes the symptoms as too short, as translation is the process by which proteins/polypeptides are created. A missense mutation would not be the answer because it still codes for an amino acid, which would not shorten the protein. A duplication of the gene would probably just lengthen the protein or not affect its length at all.

6 0
3 years ago
in mammals, an increase in the temperature of the preoptic area of the hypothalamus activates physiological mechanisms for heat
serious [3.7K]

True. In mammals, an increase in the temperature of the preoptic area of the hypothalamus activates physiological mechanisms for heat dissipation including vasodilation.

<h3>What is vasodilation?</h3>

Vasodilation, as it is known in medicine, occurs when blood vessels in your body open up, enabling more blood to flow through them and resulting in a reduction in blood pressure. Without your knowledge, your body goes through a routine procedure like this. It can also be brought on by the foods and beverages you consume as well as the drugs you take. Vasodilation may also be a sign of a particular illness.

The two of the many functions that your blood serves in the body:

  • Carrying oxygen and nutrients
  • Aiding in temperature regulation in your body.

Your body's blood arteries are more complex than simple tubes that remain constant in size. Your blood arteries include muscle as well, and that muscle regulates how wide or narrow they are at any particular time. Vasodilation occurs when blood vessels enlarge. Vasoconstriction is the opposite process, which occurs when blood vessels narrow and contract.

To learn more about vasodilation visit:

brainly.com/question/10017075

#SPJ4

8 0
1 year ago
the data collected over the years clearly confirm depletion of ozone in the stratosphere. what do scientists still need to learn
Lisa [10]

<span>Ozone is simply a molecule consisting of 3 oxygen atoms, which reacts strongly with other molecules. Ozone is created in the stratosphere when high energy uv radiation causes on O2 molecule to split. The free oxygen atoms collide and react with other O2 molecules to form O3.</span>

Production is highest where the solar uv is the greatest eg near the tropics, but once created, the ozone is then circulated towards the poles by the atmosphere. The amount of ozone in the stratosphere can vary with location, season and even day to day climatic conditions.

<span>The process of ozone creation is what makes the O3 in the atmosphere very effective at shielding the Earth from harmful uv radiation, which can cause many biological problems, such as skin cancer. However, due to its high reactivity, the uv found in the tropospher at ground level can aslo be dangerous as a toxic pollutant which is harmful to plants and lung tissue, and is a major cause of smog.</span>

5 0
3 years ago
Read 2 more answers
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