Answer:
lungs and kidneys
Explanation:
The median plane divides the body into two halves through a mid line.
The transverse plain is also known as the axial plane and it divided the body into the upper part and a lower part.
The frontal plane is also known as the coronal plane. It divided the body into the dorsal and ventral sections. The dorsal and ventral sections are the front and back sections ( belly and back).
Lungs and kidneys are the only parts which cannot be seen through all the three plains.
Internal fertilization protects<span> the </span>fertilized egg<span> or embryo from predation and harsh environments</span>
Since it’s natural environment is very acidic, putting pepsin in a very alkaline environment would cause it to denature.
<u>Biocultural perspectives</u> emphasizes how cultural forces constantly mold human biology.
Explanation:
Biocultural perspectives or phenomena creates bio-social anthropological values and principles by correlating both biological and sociocultural values through a holistic approach and molds the field of human biology as a whole.
Biocultural perspectives details about the role of biological and cultural factors in the evolution of mankind.
One example where the biocultural perspective molds human biology is the study of population growth. This involves biological aspects like fertility, reproduction, pregnancy, childbirth etc along with sociocultural factors like geographic region, sociocultural practices, ethnicity, religion, literacy level of women, birth and death rate of the region etc.
1. Almost 99% of the mass of the human body is made up of six elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. Only about 0.85% is composed of another five elements: potassium, sulfur, sodium, chlorine, and magnesium.
2. The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you.
