Blood cell formation is called ___.

• hematocrit

• homozygous

• heterozygous

• hematopoiesis

Tags

NGSS.HS-LS1-4

Calcium (Ca+) moves into bone as ​ (a)   build new bone. Calcitonin is secreted from the thyroid gland when blood calcium levels are too ​ (b)  

• osteoblasts
• high
• osteoclasts
• low

Tags

NGSS.HS-LS1-3

Which means “to break?”

• -blast

• -clast

• osteo-

• -phage

An individual has two different alleles for a certain gene.  What is a term that describes this situation?

• homozygous

• heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Calcium (Ca+) moves out of bone as ________ break down bone.

• osteoclasts

• osteoblasts

What surrounds each central canal and are referred to as the rings of the osteon?

• trabeculae

• lamellae

• lacuna

• osteocyte

What are small needle-like pieces of bone with lots of open spaces in spongy bone?

• mesenchyme

• lamellae

• lacuna

• trabeculae

What are the top chambers of the heart called?

• atria

• ventricles

Match bone shapes

• flat bones

• parietal & temporal skull bones

• sesamoid bone

• patella

• short bones

• femur & radius

• irregular bone

• cube-like bone shape

• long bones

• vertebra

Where in bone does hematopoiesis occur?

• central medullary cavity

• red bone marrow

• diaphysis

• periosteum