Reproductive System Anatomy
Female Reproductive Cycles
Embryonic and Fetal Development
Skeletal System
Cardiovascular System
100

This contains seminiferous tubules that produce sperm during spermatogenesis 

testes

100

The main hormone responsible for ovulation.

Leutinizing Hormone (LH)

100

This structure is a blood vessel-containing stalk of tissue that connects the embryo to the placenta. 

Umbilical cord

100

Bone 8


Humerus

100

Structure 7


Superior vena cava

200
These store sperm and convey them to the urethra

ductus deferens / vas deferens 

200

This hormone works with estrogen to prepare the endometrium for implantation

progesterone 

200

Rapid mitotic cell division of the zygote

cleavage

200

Bone 19


Phalanges

200

Structure 6


Aorta

300

The accessory glands of the male reproductive system include these 3 structures

seminal vesicles, prostate, bulbourethral glands

300

This hormone is responsible for growth and maturity of the follicle. 

FSH (follicle stimulating hormone)

300

Hollow ball of differentiated cells

blastocyte 

300

Bone 7


Clavicle

300

Structure 9


Pulmonary veins

400

The thickest layer of the uterus composed of smooth muscle. 

Myometrium

400

The structure in the ovary that secretes progesterone. 

Corpus luteum 

400

Formation and development of oocytes

oogenesis 
400

This type of fracture breaks through the skin.

Open fracture

400

The thick middle layer of the heart walls. 

Myocardium

500

The usual site of fertilization. 

Fallopian (uterine) tubes

500

In this phase, the corpus luteum develops from the ruptured follice

luteal phase

500

A fertilized egg, which represents the first cell of a new individual. 

zygote
500

The type of fracture show in this x-ray image. 

Closed/non-displaced/transverse
500

The largest artery in the human body. 

Aorta

600

The innermost layer of the uterus where implantation occurs. 

Endometrium

600

The day of the female's uterine (menstrual) cycle when ovulation typically occurs. 

Day 14

600

This organ delivers nutrients and oxygen to the embryo, while also removing waste from embryonic blood. 

Placenta

600

A type of fracture that results in bone being broken into multiple pieces or fragments.

Comminuted fracture

600

The main heart chamber that pumps blood to the rest of the body. 

Left ventricle

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