The document summarizes several body systems and their functions:
- The circulatory system, including the heart, arteries, veins, and capillaries, carries blood throughout the body and transports nutrients, oxygen, wastes, etc.
- The respiratory system, including the nose, trachea, lungs and bronchi, breathes in oxygen and expels carbon dioxide.
- The digestive system, including the mouth, esophagus, stomach, small intestine, large intestine, and anus, breaks down food into nutrients and expels waste.
- The musculoskeletal system includes many bones and muscles that provide structure, movement, and protection.
- The reproductive system in males includes the penis, scrotum,
For each mammalian organ system, list the organs and their function. .pdfarhamgarmentsdelhi
For each mammalian organ system, list the organs and their function. Respiratory Circulatory:
Digestive: Immune:
Solution
1....Main Parts of the Respiratory System and their Functions:
1. The nostrils: They bring air into the nose, where air is warmed and humidified. The tiny hairs
referred to as cilia filters out dirt and other debris in the air and protects the nasal passage and
different regions of the respiration tract.
2.Trachea: The trachea is also referred to as windpipe. The trachea filters the air we inhale.
3.Bronchi: The bronchi are the two air tubes that branch off of from the trachea and deliver
atmospheric air at once into the lungs.
4.Lungs: The major organ of the respiratory machine is lungs, oxygen is taken into and carbon
dioxide is expelled out. The red blood cells un the blood picks up the oxygen inside the lungs
and deliver and distribute the oxygen to all body cells.
5.Alveolus: gaseous exchange takes place.
6.Diaphragm: Breathing starts off evolved . When we breathe in the diaphragm contracts and
flatten out and pull downward. Due to this motion the space within the lungs will increase and
pulls air into the lungs. When we breathe out, the diaphragm expands and decreases the amount
of space for the lungs and forces air out.
2...Digestive organs and their functions:
Mouth
Mixes food with salivary secretion; taste, chewing
Salivary glands
Lubricate food; produce buffers and enzymes that begin digestion
Pharynx
Passageway shared with respiratory system, leads to esophagus
Esophagus
Delivers food to stomach
Stomach
Secretes acids and digestive enzymes that break down proteins
Small intestine
Secretes enzymes and other factors for nutrient digestion; absorbs nutrients
Liver
Secretesbile (required for lipid digestion); synthesizes blood proteins; stores lipid and
carbohydrate reserves
Gallbladder
Stores biles for release into small intestine
Pancreas
Secretes digestive enzymes and buffers into small intestine; produces hormones
Large intestine
Removes water from nondigested material; stores wastes
3....Excretory system and their functions:
Kidney
organs in the excretory system where waste is filtered out of the blood
ureter
tubes that connect the nephron to the bladder
urethra
tube through which urine exits the body
bladder
where urine is stored until you \"go to the bathroom\"
nephron
small capsule in the kidneys where excess water, salts, and urea are removed from the
bloodstream and other materials are put back into the blood
4....Reproductive organs:
Male reproductive organs:
testis
produces sperm
epididymis
stores sperm
vas deferens
transports sperm to urethra
urethra
receives seminal secretions from testes and accessory glands; also drains excretory products from
urinary bladder
seminal vesicles
secrete alkaline fluids that aid in neutralizing acidity and contain nutrients to promote sperm
motility and viability and hormones to stimulate uterine contractions
bulbourethral glands
secretes alkaline fluid to neutralize aci.
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5. Veins the blood goes to the veins
Arteris move the blood to old the organs of
the body
The blood vessels are the arteries veins
capillaries
The heart pomps the blood to the
circulatory system
7. Kidneys are two organs in the abdomen
The capillaries is where blood flows
The ureters are two small tubes
The bladder is like an elastic bag
8. dioxide. FUNCTION we breathe oxygen and
expel carbon
The organs that form the respiratory system
are:nose , trachea, lungs and bronchi.
9. FUNCTION : First the food goes to the
oesophagus into the stomach and traform
in to the nutrients.
ORGANS AND PARTS : mouth , oesophagus ,
liver, large intestine , anus, stomach and
small intestine
oesophagus : is a tube that we need in the
stomach
stomach : the walls of the stomach
16. Uterus: Is connected to
the ovaries.
Ovaries: Store and
produce eggs.
Vulva: Covers the
opening to the vagina.
Vagina: It connects the
uterus to the outside of
the body.
17. Penis: Is connected to
the testicles.
Scrotum: Testicles are
located in a bag called
the scrotum.
Testicles: Produce
sperm.
Urethra: Is a tube in the
penis.Sperm through the
urethra to the outside of
the body.