Answer:
The functions of blood are ;
- They carry cells that help fight pathogens .
- Regulate blood temperatures
- Prevent blood lose
- Transport of waste tot he liver and kidney for cleansing
Explanation:
Blood carries white blood cells which helps in fighting of pathogens to keep the bod immune from infections .
Blood adjusts to environmental temperatures to keep the body either warm or cold.
When a person gets injures , blood avails platelets to the surface , which in turn hardens to form a clot on the wound hence prevent blood lose .
Answer:
The carboxylic end of the detergent is polar.
Explanation:
The carboxylic end is hydrophilic that"s this end interact with water.
Oil molecules are nonpolar because they contain straight chain of hydrocabon which is hydrophobic in nature.
Due to hydrophobic in nature oil molecules are not soluble or insoluble in water.
Answer:
When threatened by wolves, deer don't graze as much and move around more, aerating the soil.
Explanation:
Answer:
Multiple Sclerosis is an inflammatory disease in which myelin sheath of nerve cells of brain and spinal cord are damaged.
Explanation:
Cause:- (Exact cause of inflammation is not known)
- But damage is caused due to attack by autoimmune cells or antibodies against myelin sheath.
Types of tissues attack:-
- Oligodendrocytes and myelin sheath is damaged and stripped away from axon and the process is known as demyelination.
- Myelin sheaths are made up of fatty tissues and help in transmission of electric impulse.
Result of immune system attack:-
- Damaged myelin sheath stop forming whIte matter of central nervous system.
- Hence disrupt coordinating communication between different brain regions.
Signs and symptoms:- vary from person to person
- Diminished eyesight.
- Disrupt motor coordination.
- Weak sensory perception.
- Fatigue and dizziness.
- Speech disorder.
- Muscle weakness and spasticity.
- Difficulty in urination and stool.
Diagnosis and treatment:-
- Diagnosis include MRI T2 findings and cerebrospinal fluid specific oligoclonal bands.
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Answer:
These cells are Eukaryotic and are autotrophic
Explanation:
These are the cells of onion. An oinion is a plant and because it is a plant it is autotrophic meaning they make their own food. Also plants are eukaryotic which means they have a nucleus.
