Answer:
I am 100% sure it is the mudstone. I believe they are the oldest rock in existence.
Explanation:
Persons with O blood have neither antigen a nor antigen b on their red blood cells but have antibody anti-a and antibody anti-b in their plasma.
ABO blood grouping was discovered by Austrian scientist Landsteiner. It consist of four blood groups- A, B, AB, & O.
Red blood cells have certain extension of the proteins that are called antigen. Two types of antigens are there antigen a & b. The RBCs which have a particular antigen will not have the antibody against the same.
Blood Group A has antigen A and antibody B. Blood group B has antigen B and antibody A. Blood group AB has both antigen and no antibodies while blood group O has no antigen and antibody A & B.
To learn more about red blood cells here
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Answer:
The heart is slightly tilted towards the left side because of the larger size of the right lung than left lung. This provides enough space for the heart to work properly and pump blood efficiently to different parts of the body. ... heart is tilted towards left not towards right
Answer: Endocrines: Adrenal, Pineal
Explanation: Endocrine glands are hormones.
Answer:
b. neuron, nerve tissue, brain, nervous system, human
Explanation:
Neurons are the structural and functional units of nervous tissue. Each neuron has a long axon, a metabolic center (soma) and short dendrites. Neurons and neuroglia are the major cell types that together constitute the nervous tissue.
The brain is an organ made of nervous tissues and is a part of the central nervous system. The central and peripheral nervous systems together make the nervous system of the human body.
The nervous system along with many other organ systems such as the digestive system, respiratory system, cardiovascular system, etc. together make the human body.