What is the powerhouse of the cell?
mitochondria
What is the difference between chemical and mechanical digestion?
Chemical digestion is with enzymes, while mechanical digestion physically breaks the food into smaller pieces.
Name the two main divisions of the nervous system
Central Nervous system and peripheral nervous system
Movement, and produce heat through shivering
What color is deoxygenated blood
How many chromosomes does a human cell have?
46, with 23 diploid pairs
What does the large intestine primarily absorb?
water and electrolytes
What is the purpose of the myelin sheath?
Speeds up action potentials
what is the importance of Simple squamous epithelium in the alveoli of the lungs
the thin cells allow gas exchange
What causes blood to clot?
platelets
What is the function of cholesterol in the cell membrane?
Stabilizes the cell membrane at different temperatures.
Name three parts of the small intestine
duodenum, jejunum, and ileum
What does the parasympathetic nervous system control?
rest and digest
What is the difference between exocrine and endocrine glands?
exocrine glands secrete through ducts on the body's surface, with endocrine glands secrete into the blood stream.
What is the difference between arteries and veins?
Arteries take oxygenated blood away from the heart, veins take deoxygenated blood to the heart.
simple diffusion across the membrane
where is the ileocecal valve located?
between the large and small intestine
Explain the difference between afferent and efferent neurons.
Afferent neurons carry sensory information towards the central nervous system, efferent neurons carry motor commands away from the CNS to muscles
What is the function of blood plasma?
transportation of cells and nutrients
Name the three branches of the aortic arch
Brachiocephalic trunk, Left common carotid artery, Left subclavian artery
Name the stages of mitosis
prophase, metaphase, anaphase, and telophase
What is the scientific name for the contents of the stomach?
Chyme
All senses except what are relayed through the thalamus?
smell
Where is the Parietal pleura located?
lines the inner surface of the chest cavity
Name the precursor cells to red blood cells
erythroblasts