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Human Anatomy and Physiology

Human physiology is the study of the human body relevant to the functions of the organs and systems. It provides a biological baseline for the five senses including the different systems, so that the body can operate normally.

65,609 Questions

How does the body turn food into energy?

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Asked by Wiki User

food is oxidized meaning it reacts with oxygen and CO2, H2O and energy in the form ATP is produced

How often should a normal healthy person urinate --- pee--- in a day?

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Asked by Wiki User

You should take in atleast 2000-2500 ml of water a day to maintain healthy fluid balance in the body. You normally urinate about 1500 ml of that.

What does the body look like?

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Asked by Wiki User

There is the head at the top.

Then there is the body.

Then there is the penis in the scrotum bag. this is what you use for sexual intercourse (you insert it into the womans va

What do you call the heat of the body?

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Asked by Wiki User

Corporal (or body) temperature. When it is above normal, it is called hyperthermia or fever and when it is below normal is called hypothermia.

What muscle fiber type helps a sprinter get out of the blocks fast?

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Asked by Wiki User

Pasta is usually good for energy, stamina etc. However, for me personally I had to have the gluten free alternative which I don't think was quite as effective personally.

What occurs during a primary immune response and secondary immune response?

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Asked by Chichismithgp9871

The secondary immune response occurs after an antigen that has already been encountered reappears.

For example, if someone had recovered from the flu and later encounters the

same strain of that virus, antibodies that were made specifically for that antigen will rise dramatically with almost no lag perod.

What is the function and importance of the reproductive system?

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Asked by Wiki User

teretettetetetet hahhahahaahhahaha vbabababababba cacacacacac dadadadadada eefeffefefeefef

If a person is having a problem with balance what part would most likely be the cause?

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Asked by Wiki User

Balance problems, or vertigo, are caused by a conflict between what is seen and how the inner ear perceives it, leading to confusion in the brain.

What effects of proteins to your body?

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Asked by Wiki User

Protein Benefits to Life

What are the benefits of proteins to life?

Structural support: Proteins serve as the building blocks of cells, tissues, and organs. They provide structural support, maintaining the shape and integrity of various biological structures. For example, collagen is a protein that forms the framework of connective tissues, including skin, tendons, and bones.

Enzymatic activity: Many proteins function as enzymes, which are biological catalysts that facilitate biochemical reactions in the body. Enzymes accelerate chemical reactions, allowing them to occur at a suitable rate for cellular processes such as digestion, metabolism, and DNA replication. Without enzymes, vital biochemical reactions would be too slow to sustain life.

Transport and storage: Certain proteins, such as hemoglobin, are responsible for transporting essential molecules throughout the body. Hemoglobin, found in red blood cells, carries oxygen from the lungs to tissues and helps transport carbon dioxide back to the lungs for elimination. Proteins can also store molecules like iron and oxygen in muscles and other tissues until they are needed.

Immune function: Proteins play a crucial role in the immune system. Antibodies, which are specialized proteins, recognize and bind to foreign substances such as bacteria, viruses, or toxins, marking them for destruction by other immune cells. Additionally, proteins called cytokines regulate immune responses and help coordinate the body's defense mechanisms.

Hormones and signaling: Certain proteins, such as insulin and growth hormones, act as chemical messengers in the body, regulating various physiological processes. Hormones help control metabolism, growth, development, and other essential functions by binding to specific receptors on target cells and triggering specific responses.

Muscle contraction: Proteins, particularly actin and myosin, are responsible for muscle contraction and movement. When these proteins interact, they generate the force required for muscle contractions, allowing us to move, maintain posture, and perform physical activities.

Repair and maintenance: Proteins are involved in the repair and maintenance of tissues and cells. They help in the synthesis of new cells and the replacement of damaged or worn-out proteins. Collagen, once again, is an example of a protein that aids in tissue repair, as it forms scar tissue during the healing process.

pH regulation and buffering: Some proteins act as buffers, helping to maintain the pH balance in the body's fluids. They prevent excessive changes in pH, which is essential for optimal functioning of enzymes and other biological processes.

These are just a few examples of the many vital roles proteins play in sustaining life. Without proteins, the intricate processes that occur within living organisms would not be possible.

What are 3 ways in which endocrine glands are stimulated to secrete their hormones?

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Asked by Wiki User

Other hormones - hormones that stimulate the secretion of other hormones from endocrine glands are called tropic hormones. An example of this would be the secretion of human gonadotropin releasing hormone (GnRH) by the hypothalamus. This hormone stimulates the anterior pituitary to secrete follicle stimulating hormone (F SH) and luteurizing hormone (LH), two hormones particularly important in menstruation.

Nerve impulse conduction - when a nerve impulse reaches the end of the nerve axon, neurotransmitters are released. In many cases, these neurotransmitters can act as endocrine hormones. For example, in order to stimulate muscle contraction, a nerve impulse that reaches the axon of a nerve that directly contacts a muscle (i.e. a motor neuron), will stimulate the release of acetylcholine. The acetylcholine binds receptors on the muscle and it contracts.

Changes in concentration of extracellular ions or nutrients - many cells have molecules that can act as sensors of the extracellular environment, and changes in this environment can stimulate them to secrete hormones. A common example of this is the secretion of insulin or glucagon. If glucose concentration in the blood is high, insulin is secretes. If blood glucose is low, glucagon is secreted.

In addition, many hormones can be secreted in response to environmental stimuli like a change in heat or light. Often times this secretion is indirect and utilizes one of the previous mentioned mechanisms. However one example of a direct affect of the environment is the hormone melatonin. Melatonin helps regulate sleep/wake cycles and is produced by the pineal gland when directly stimulated by darkness (i.e. night)
hormonal humeral neural

Why Is It Important That Adrenaline Be Broken Down Very Quickly In What if your Body?

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Asked by Wiki User

it can overwork the muscles and so its important to let the body return to normal once the "event" has passed.

Does the human body need sugar?

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Asked by Wiki User

Yes it does, in the form of carbohydrates which it converts to glucose for the body to use as fuel. It is best if it doesn't come in the form of refined sugar which loads your body too quickly with the glucose in your blood stream. Avoid corn syrup and simple sugars, use fruit juices when possible to sweeten things and enjoy fresh fruit instead of candy for a treat.

Do humans need both lungs to live?

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Asked by Wiki User

No you need a heart and a brain too...

What age does your metabolism start to slow down?

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Asked by Wiki User

I have read that, sadly, yes it does. It's something that can be partially prevented with regular aerobic exercise, weight training and a good healthy diet.

What part of the eye responds to color?

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Asked by Wiki User

The eye contains 2 types of photoreceptors: rods and cones. Rods are sensitive to light and dark changes, shapes and movement, whereas cones are sensitive to color.

What fluid passes through the renal tubule?

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Asked by Wiki User

A renal tubule passes most of the fluids it processes into the bloodstream

What hollow tube leading through the bladder?

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Asked by Wiki User

The tube from the bladder to the body's opening is called a urethra. The tubes from the kidneys to the bladder are called ureters.

What are the 4 different tastes that you experience?

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Asked by Wiki User

The four types of tastebuds are all papillae, that is (raised surfaces of the tongue) and are namely: fungiform, filiform and foliate and circumvallate.

Fungiform papillae are mushroom shaped and occur at the tip of the tongue. Filiform papillae does not assist in taste detection only function. Foliate papillae is towards the posterior part of the tongue and is found on the lateral margins. Circumvallate papillae line the back of the tongue.

Where do tapeworms live in the human body?

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Asked by Wiki User

Tapeworms generally live in the intestine.

Do white people stink?

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Asked by Wiki User

Yes White people use to fart before