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Plovdiv Biology exam with complete solutions 2024_2025
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Plovdiv Biology exam with complete solutions 2024_2025
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Plovdiv Biology exam with completesolutions 2024/2025
What are tissues?
Groups of cells that are similar in structure and function
What is the integumentary system?
skin, hair, nails
epidermis and dermis and hypodermis
what structures are found in the epidermis
melanocytes,keratinocytes
Is the epidermis vascular or avascular?
avascular
What is epithelium?
a sheet of cells that covers a body surface or lines a body cavity
What to gap junctions do?
channel that connects the cytoplasm to neighbouring cells
What is a tight junction?
strand of protein that helps stop leaks between cells
what do tendons do
connect muscles to bones
What do ligaments do?
Connect bone to bone
What does the axial skeleton include?
skull, vertebral column, ribs, sternum
What do the vertebral column consist of
24 12 pairs of rib cage
What does the appendicular skeleton consist of?
, long bones which consist of bone marrow such as irregular bones such as
sternum
How many vertebrae are there?
33
How is an opening formed by
betwwen body and the arc
what does the vertebrae consist of
cervical, thoracic, lumbar and sacral coccynx
What is the name of the first cervical vertebra?
atlas
Where is the highest arterial blood pressure
aorta
phages are parasitic viruses in
bacteria
what does trypsin degrade
proteins into amino acids
polypeptide chains are
linear and unbranched
double membrane organelles are
plasmids
What's systole?
Contraction of the heart
What's atrial systole?
atria muscles contract causing atrioventricualr muscles to open
What's ventricular systole?
contraction of valves causing semi lunar valves to open
What's pulmonary circulation?
carries blood between lungs and heart via pulmonary artery and the pulmonary
veins
wheres does deoxygenated blood enter
inferior vena cava
what are the medical terms for wbc and rbc
leukocytes and erthtrocytes
What is normal blood pressure?
120/80
what are the antibodies in group a red bcs
anti b antibodies
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