part of flower

Part of Ovary

menstruation cycle process

spermatogenesis and oogenesis

Disorders & diseases in the excretory system

1. Albuminuria: The urine contains albumin
2. Haematuria: The urine contains blood. this disease in caused by inflammation kidney stone, and urinary bladder cancer
3. Nephrotiliasis: There is a stone in kidney, kidney channel, or urinary bladder
4. Nephritis: Inflammation at the kidney, especially on the nephron
5. Renal failure: Is caused by the inability of kidney to run its function 

3 Process The Forming Of Urine

1. Filltration ---> Cortex (glomerulus + capsule bowman)
2. Reabsorption ---> Tubulus kontortus proximal --> medula --> Filtrat tubulus (secondary urine)
3. Augmetation ---> Tubulus kontortus distal --> medula --> the real urine

Part of Kidney

1. Cortex ---> Capsule bowman + glomerulus
2. Medula ---> Tubulus Kontortus Proximal
                ---> Tubulus Kontortu Distal
3. Pelvis   ---> Tubulus Collectivus

example of thermonasty

• the blossoming of tulips in the springtime because of the rise in temperature
• the blossoming of wijaya kusuma flower

example of thigmonasty

• the motion of downward folding in the tiny leaves of sensitive plant (mimosa pudica) when it is touched
• motion of closing the valve in venus plant when the prey enters its sack

example of photonasty

• blossoming motion of the four o'clock (mirabilis jalapa) in the afternoon
• hibiscus flower (hibiscus rosasinensis) in the daylight
• whereas their petals would shut off in the night

Plant movement

• Endonom motion: 

plant's motion which is caused by internal stimulus 

example: growth movement of the root, stem, leaves, and flower, the flowing of cytoplasm in cell

• Etionom motion:

plant motion that is caused by stimulus from its environment. the stimulus can be light , touch, gravitation, chemicals, and temperature 

• Hygroscopic motion:

Hygroscopic motion is a type of plant motion that is caused by the continuous decrease in water content until seed, fruit, or sporangium becomes cracked.

another example of hyroscopic motion is cleaving ball and pea after they are dried

Micro Element

this is absolutely essential elements that plants need in small amounts.
consist of:
manganese,molybdenum. boron, zinc, copper, and iron

Macro Element

Namely that elements must be present in the body of plant in large numbers.
consist of:
carbon, hydrogen , oxygen, nitrogen, sulfur, phosphorus, potassium, calcium, and magnesium

structure of root anatomy

structure and function of stem

Epidermis

The epidermis consists of a single layer of living cells which are closely packed. The walls are thickened and covered with a thin waterproof layer called the cuticle . Stomata with guard cells are found in the epidermis. In some stems either unicellular or multicellular hair-like outgrowths, trichomes, appear from the epidermis.

Functions
• The epidermis protects the underlying tissues.
• The cuticle prevents the desiccation of inner tissues and thus prevents water loss .
• The stomata allows gaseous exchange for the processes of respiration and photosynthesis.

Cortex This region comprises the collenchyma, parenchyma and endodermis. It is situated to the inside of the epidermis.

• Collenchyma These cells lie under the epidermis and constitute three to four layers of cells with cell walls thickened at the corners. The collenchyma cells contains chloroplasts
  
  
  
  Functions of the Collenchyma
  • This tissue serves to strengthen the young stem.
  • The chloroplasts are responsible for the synthesis of organic food during photosynthesis.

• Parenchyma Beneath the collenchyma cells are a few layers of thin-walled cells, parenchyma, with intercellular spaces. The parenchyma cells make up the bulk of the cortex.
  
  
  
  Functions of the Parenchyma
  • The synthesized organic food (mainly starch) is stored here.
  • The intercellular air spaces are responsible for gaseous exchange.

• Endodermis or Starch Sheath The endodermis or starch sheath forms the innermost layer of the cortex. This is a single layer of tightly-packed rectangular cells bordering the stele of the stem.
  
  
  
  Functions of the Endodermis
  • The cells of this tissue store starch.
  • It allows solutions to pass from the vascular bundles to the cortex.

Vascular Cylinder or Stele This region comprises the pericycle, vascular bundles and pith (medulla).

• Pericycle The pericycle is made up of sclerenchyma cells which are lignified, dead fibre cells . These cells have thick, woody walls and tapering ends.
  
  
  
  Functions of the Pericycle
  • It strengthens the stem.
  • It provides protection for the vascular bundles.

• Vascular Bundles The vascular bundles are situated in a ring on the inside of the pericycle of the plant. This distinct ring of vascular bundles is a distinguishing characteristic of dicotyledonous stems. A mature vascular bundle consists of three main tissues - xylem, phloem and cambium. The phloem is located towards the outside of the bundle and the xylem towards the center. The cambium separates the xylem and phloem which bring about secondary thickening.
  
  
  
  Functions of the Vascular Bundles
  • The xylem provides a passage for water and dissolved ions from the root system to the leaves.
  • The xylem also strengthens and supports the stem.
  • The phloem transports synthesized organic food from the leaves to other parts of the plant.
  • The cambium, divides to produce new xylem and phloem cells, making secondary thickening possible.

• Pith (Medulla) The pith occupies the large central part of the stem. It consists of thin-walled parenchyma cells with intercellular air spaces. Between each vascular bundle is a band of parenchyma, the medullary rays, continuous with the cortex and the pith.
  
  
  
  Functions of the Pith or Medulla
  • The cells of the pith store water and starch.
  • They allow for the exchange of gases through the intercellular air spaces.
  • The medullary rays transport substances from the xylem and phloem to the inner and outer parts of the stem.

structure and function of leaf

1. Epidermis – Outer layer of tissues


2. Cuticle – Waxy protective outer layer of epidermis that prevents water loss on leaves, green stems, and fruits.  The amount of cutin or wax increases with light intensity.
3. Leaf hairs – part of the epidermis


4. Palisade layer – A tightly packed layer of parenchyma tissues filled with chloroplasts for photosynthesis.


5. Chloroplasts – Sub-cellular, photosynthetic structures in leaves and other green tissues.  Chloroplasts contain chlorophyll, a green plant pigment that captures the energy in light and begins the transformation of that energy into sugars.


6. Vascular bundle – Xylem and phloem tissues, commonly known as leaf veins.


7. Spongy mesophyll – Layer of parenchyma tissues loosely arranged to facilitate movement of oxygen, carbon dioxide, and water vapor.  It also may contain some chloroplasts. 


8. Stomata – Natural openings in leaves and herbaceous stems that allow for gas exchange (water vapor, carbon dioxide, and oxygen).


9. Guard cells – Specialized kidney-shaped cells that open and close the stomata.

Based on its shape

1. pipe bone, contains yellow marrow
   ex: humerus, femur, fibula, phalanx
2. short bone, contains red marrow
   ex: segments of backbone, carpus, and tarsus
3. flat bone, contains red marrow
   ex: scapula, sternum, and ribs