Plants Have Organs, Too Flashcards
Characteristics of Plants
Has cell walls
Can reproduce, sexually or asexually
Capable of photosynthesis
They are multicellular eukaryotes
Surface Tissue Protect
1.Protection against Physical Damage
2.Prevention of Water Loss
3.Defense Against Pathogens
4.Regulation of Gas Exchange
they are found in the leaves, stems, roots flowers, and fruits
Usually contain plastids.
In areas exposed to light, such as green leaves, chloroplastids are found where the photosynthesis takes place.
Areas not exposed to light, such as stems, fruits, and roots, colorless plastids predominate.
Parenchyma cells
function mainly as support
they can be found in areas that are growing rapidly and needed to be strengthened.
Collenchyma cells
_____ provide structural support to mature plant
tissues
Sclerenchyma cells
responsible for the transport of various substances throughout the plant.
Vascular tissues
There are two main types of vascular tissues:
xylem and phloem.
Process and structures involved in xylem
Transpiration; a group of hollow, dead cells
Process and structures involved in phloem
Translocation; a group of living cells
Level of organisation
Cell - Tissue - Organ - Organ System - Organism
are rigid, connective tissue structures that
form the skeletal framework of vertebrates, providing support, protection, and a framework for bodily movement.
Bones
refers to the central or main axis of the body. In anatomy, the term is commonly used to describe the central part of
the body that includes the head, neck, trunk, and spine.
Axial Skeleton
Is the skeletal structure that forms the skull, providing a protective enclosure for the brain
Cranium
is a bony structure that forms the head in vertebrates
Skull
Lower jaw or jawbone is the largest,
strongest and lowest bone in the human
face. It forms the lower jaw and holds
the lower teeth in place. sits beneath the maxilla. It is the only movable bone of the skull.
Mandible
Is a structure that runs along the back of an
organism. It is made up of a series of bones called vertebrae that are stacked on top of each other.
Spine (AKA vertebral column or backbone)
Is the bony structure that surrounds
and protects the organs of the thoracic
cavity, primarily the heart and lungs.
Ribcage (AKA thoracic cage)
There are __ pairs of ribs in the human
ribcage, and they are attached to the thoracic vertebrae in the back.
12, Ribs
Ribs are classified into:
1) true ribs (directly attached to the sternum)
2) false ribs (indirectly attached to the sternum or not attached at all)
3) floating ribs (not attached to the sternum)
Is a flat, elongated bone located at the front of the chest.
Sternum (Breastbone)
The sternum is consists of three parts:
the manubrium, body, and xiphoid process.
The _____ articulates with the clavicles (collarbones) and the first pair of ribs.
manubrium
is the portion of the skeleton that consists of the bones and structures associated with the limbs (arms and legs), as well as the pectoral girdle (shoulder) and pelvic girdle (hip).
Appendicular skeleton