40 Answered Questions for the topic human anatomy

02/10/20

What is meiosis

02/10/20

What is meiosis

10/10/19

The epidural space is filled with cerebrospinal fluid (CSF).

The epidural space is filled with cerebrospinal fluid (CSF).

10/10/19

Both cerebrum and cerebellum have gray matter in their surface cortex and deeper nuclei, and white matter deep to the cortex.

Both cerebrum and cerebellum have gray matter in their surface cortex and deeper nuclei, and white matter deep to the cortex.

09/10/19

health issue in pakistan

a lot of health issue in Pakistan silent killer called hypertension, rate of hypertension increase day by day which are the root of cardiovascular disease how we control hypertension?

08/23/19

Stomach Blood suppy

Which artery supply the fundic part of the stomach?

07/24/19

Are centrioles really absent in human neurons?

A booklet (issued by my school) claims, Centrioles, formerly believed to be absent in neurons, have been described in neurons and may be associated with the production and maintenance of... more

06/18/19

Will humans and animals be harmed by frequencies outside their hearing range? ?

The human ear (for example) is sensitive to frequencies from 20Hz to 20kHz. Any sound beyond that limit would not be heard by us naturally. 1. Will it harm us (effect our ability to hear) when we... more

06/15/19

Why does the ring finger not move independently?

Why is it that we need to move little finger in order to move ring finger with it? For example, put your palm on a table and fold your middle finger inside. You won't be able to move your ring... more

06/08/19

How did the cardiovascular system evolve?

How has evolution created our blood, lungs and the heart?We can't exist without blood, which transports the oxygen to all areas of our body. However, the blood needs a lung, which gives it the... more

05/24/19

Why do I only breathe out of one nostril?

I was just sitting with my hand next to my nose and I realized that air was only coming out of the right nostril. Why is that? I would think I would use both, it seems much more efficient. Have I... more

04/24/19

Symmetry of species?

I've got a silly question, sorry for that. I know, that we probably have no the right answer and the current answer could be "that's evolution, external conditions". I'd like to speculate, why most... more

04/20/19

What is the average Leg-to-Foot Length/Width Ratio?

I'm making a program that estimates a probable size (widest width and longest length) for a human's foot given the length and width of the leg to which it is attached. However, try as I might, **I... more

04/18/19

Are tendons and ligaments classified under the muscular or bone system?

Are **tendons** and **ligaments** classified under *muscular system* or *bone system*? Basically they are not bones or muscles and that's why I have doubt.

04/16/19

Stretching and compressing bones?

The Young's modulus of elasticity when a bone is stretched is : 16*109 and when it is compressed, it is 9*109 N/m2. That means, change in length will be more if you compress a bone as compared to... more

04/08/19

Accommodation mechanism.?

Can anyone explain how contraction of the ciliary muscles causes relaxation of the zonules? Please explain it anatomically i.e. the attachments of ciliary muscles and its relation with the... more

04/02/19

Why do we have to exhale (or inhale) in order to speak?

Every time we speak, sing, or make any other kind of advanced noise with our throats, we exhale, or to put it that way, blow air through our throats. Why is this required? After all, speakers do... more

04/02/19

How is eye color in humans inherited?

In high school we studied the inheritance of eye color, as it was explained to us in the most simple way: blue eye color is a recessive, monogenic, autosomal trait. Now I know that it is a bit more... more

04/01/19

What is the name for the opening in the mouth for the nasal passages?

Is there a proper anatomical name for the opening in the soft palette where the nasal passages enter the mouth?

03/27/19

How are arms different than legs?

Ok, this is a bit of a tangent question, but it came up yesterday and I didn't know the answer: How are arms and legs defined physiologically? For example, we say humans have two arms and two... more

03/19/19

Does the size or mass of a body affect the time it takes for rigor mortis to sets in?

Does the size or mass of a body affect the time it takes for rigor mortis to sets in? For example: compare a 300 pound man to 100 pound girl to 5 pound animal.

03/18/19

Using anatomical terms for human organs and parts of plants?

I know how to apply anatomical directional terms (e.g., dorsal/ventral, anterior/posterior, etc.) for animals as a whole (bipeds and quadrupeds). Recently, I've been studying plant physiology,... more
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