histology - animal tissue 🐈‍⬛

Question 1

what are the four types of tissue

Answer 1

epithelial
connective
muscle
nervous

Question 2

what are the five types of epithelial tissue

Answer 2

squamous
cubiodial
coloumnar
ciliated
stratified

Question 3

what is the squamous epithelium

Answer 3

found in capillaries
thin flat cells that allows for diffusion

Question 4

what is cuboidal epithelium

Answer 4

-circle shaped nuclei
-found in lining ducts eg. glands
-cube like structure
-produces secretions

Question 5

what is ciliated columnar

Answer 5

located in the trachea
-elongated cells with tiny hairs
-traps dust and moves sperm

Question 6

what is stratified epithelium

Answer 6

-more than one layer of cells
location: skin
-layers of epithelium
-protection

Question 7

what are goblet cells

Answer 7

mucous secretions
lubricate

Question 8

what are the six types of connective tissue

Answer 8

binds and connects tissue
-areolar connective tissue
-apidose connective tissue
-dense connective tissue
-cartilage
-bone
-blood

Question 9

what is the areolar connective tissue

Answer 9

it surrounds blood vessels and nerves
-surrounds intestines
-a jelly like matrix which has networks for elastic and inelastic fibres (fibroblasts)
-it holds organs in place

Question 10

what is the apidose connective tissue

Answer 10

-it surrounds organs and is under the skin
-it is large gobular cells
-it stores fat, insulates and protects organs

Question 11

what is dense connective tissue

Answer 11

-tissue that makes up tendons and ligaments (ligaments and tendons)

-ligaments =elastic fibres = attaches bones
-tendons =inelastic fibres = attaches muscles to bones

Question 12

what is the cartilage

Answer 12

-it surrounds the bones of joins
it’s a semi solid matrix with cells called chondrocytes
it’s part of the endoskeleton

Question 13

what are bones

Answer 13

forms bones of the endoskeleton
a solid matrix
provides strength and movement

Question 14

what is blood

Answer 14

liquid matrix formed in the red bone marrow located in the blood vessels or heart

Question 15

what are red blood cells

Answer 15

-erythrocytes
-transports oxygen from the lungs to the tissue and returns carbon dioxide back
-made in the bone marrow
-has the haemoglobin pigment

Question 16

what are white blood cells

Answer 16

leukocytes
-protect the body from disease
-produced form bone marrow and lymph nodes
-they are irregular in shape

Question 17

what are platelets

Answer 17

produced in the bone marrow
-assist in blood clotting and prevents excessive bleeding

Question 18

what are nerves

Answer 18

neurons that make up the nervous system found in the brain and is meant to respond to stimuli

Question 19

what is skeletal muscle tissue

Answer 19

a voluntary muscle

Question 20

what is cardiac muscle

Answer 20

muscle making up the heart

Question 21

describe smooth muscle tissue

Answer 21

involuntary muscle with tapered ends that is found within the walls of blood vessels

Question 22

what is nervous tissue

Answer 22

it transmits nerve impulse around the body

Question 23

what are the three types of nerve cells

Answer 23

-sensory neurons
-interneurons
-motor neurons

Question 24

describe sensory neurons

Answer 24

electrical impulses sent towards the spinal cord and brain

Question 25

what are motor neurons

Answer 25

impulses form the spinal cord and brain to the muscles and glands

Question 26

what are interneurons

Answer 26

found in the brain and spinal cord
-responsible for processing info

Question 27

what is biotechnology

Answer 27

scientific use of biological processes for industrial purposes

Question 28

what is medical biotechnology

Answer 28

medical use of biotechnology

Question 29

what is IKS

Answer 29

-indigenous knowledge systems
-knowledge that a community acquired over generations
-includes knowledge about agriculture, healthcare, education and management

Question 30

what are the traditional medicines

Answer 30

devils claw is a pain reliever
african potato strengthens the immune system

Question 31

describe medical biotechnology

Answer 31

vaccines, antibiotics, blood transfusions cloning

Question 32

what is cloning and it’s three types

Answer 32

process of making a genetically identical copy of a gene, tissue or organism
-gene cloning: cloning small sections of DNA
-reproductive cloning: copies of whole animals
-therapeutic cloning: stem cells that are able to grow specific tissues

Question 33

why clone

Answer 33

for research
drug testing
livestock for farming